diff --git a/.travis.yml b/.travis.yml
index 4e8617fa0..c80d98ed2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,69 +3,77 @@ services: docker
 
 matrix:
   include:
-    - os: windows
-      dist: 1803-containers
-      env: VERSION=3.8 VARIANT=windows/windowsservercore-1803
-    - os: linux
-      env: VERSION=3.8 VARIANT=buster
-    - os: linux
-      env: VERSION=3.8 VARIANT=buster/slim
-    - os: linux
-      env: VERSION=3.8 VARIANT=alpine3.10
-    - os: windows
-      dist: 1803-containers
-      env: VERSION=3.7 VARIANT=windows/windowsservercore-1803
-    - os: linux
-      env: VERSION=3.7 VARIANT=buster
-    - os: linux
-      env: VERSION=3.7 VARIANT=buster/slim
-    - os: linux
-      env: VERSION=3.7 VARIANT=stretch
-    - os: linux
-      env: VERSION=3.7 VARIANT=stretch/slim
-    - os: linux
-      env: VERSION=3.7 VARIANT=alpine3.10
-    - os: linux
-      env: VERSION=3.7 VARIANT=alpine3.9
-    - os: linux
-      env: VERSION=3.6 VARIANT=buster
-    - os: linux
-      env: VERSION=3.6 VARIANT=buster/slim
-    - os: linux
-      env: VERSION=3.6 VARIANT=stretch
-    - os: linux
-      env: VERSION=3.6 VARIANT=stretch/slim
-    - os: linux
-      env: VERSION=3.6 VARIANT=alpine3.10
-    - os: linux
-      env: VERSION=3.6 VARIANT=alpine3.9
-    - os: linux
-      env: VERSION=3.5 VARIANT=buster
-    - os: linux
-      env: VERSION=3.5 VARIANT=buster/slim
-    - os: linux
-      env: VERSION=3.5 VARIANT=stretch
-    - os: linux
-      env: VERSION=3.5 VARIANT=stretch/slim
-    - os: linux
-      env: VERSION=3.5 VARIANT=alpine3.10
-    - os: linux
-      env: VERSION=3.5 VARIANT=alpine3.9
-    - os: windows
-      dist: 1803-containers
-      env: VERSION=2.7 VARIANT=windows/windowsservercore-1803
-    - os: linux
-      env: VERSION=2.7 VARIANT=buster
-    - os: linux
-      env: VERSION=2.7 VARIANT=buster/slim
-    - os: linux
-      env: VERSION=2.7 VARIANT=stretch
-    - os: linux
-      env: VERSION=2.7 VARIANT=stretch/slim
-    - os: linux
-      env: VERSION=2.7 VARIANT=alpine3.10
-    - os: linux
-      env: VERSION=2.7 VARIANT=alpine3.9
+#    - os: windows
+#      dist: 1803-containers
+#      env: VERSION=3.8 VARIANT=windows/windowsservercore-1803
+    - os: linux
+      env: VERSION=3.8 VARIANT=ubuntu-bionic
+    - os: linux
+      env: VERSION=3.8 VARIANT=ubuntu-xenial
+#    - os: linux
+#      env: VERSION=3.8 VARIANT=buster
+#    - os: linux
+#      env: VERSION=3.8 VARIANT=buster/slim
+#    - os: linux
+#      env: VERSION=3.8 VARIANT=alpine3.10
+#    - os: windows
+#      dist: 1803-containers
+#      env: VERSION=3.7 VARIANT=windows/windowsservercore-1803
+    - os: linux
+      env: VERSION=3.7 VARIANT=ubuntu-bionic
+    - os: linux
+      env: VERSION=3.7 VARIANT=ubuntu-xenial
+#    - os: linux
+#      env: VERSION=3.7 VARIANT=buster
+#    - os: linux
+#      env: VERSION=3.7 VARIANT=buster/slim
+#    - os: linux
+#      env: VERSION=3.7 VARIANT=stretch
+#    - os: linux
+#      env: VERSION=3.7 VARIANT=stretch/slim
+#    - os: linux
+#      env: VERSION=3.7 VARIANT=alpine3.10
+#    - os: linux
+#      env: VERSION=3.7 VARIANT=alpine3.9
+#    - os: linux
+#      env: VERSION=3.6 VARIANT=buster
+#    - os: linux
+#      env: VERSION=3.6 VARIANT=buster/slim
+#    - os: linux
+#      env: VERSION=3.6 VARIANT=stretch
+#    - os: linux
+#      env: VERSION=3.6 VARIANT=stretch/slim
+#    - os: linux
+#      env: VERSION=3.6 VARIANT=alpine3.10
+#    - os: linux
+#      env: VERSION=3.6 VARIANT=alpine3.9
+#    - os: linux
+#      env: VERSION=3.5 VARIANT=buster
+#    - os: linux
+#      env: VERSION=3.5 VARIANT=buster/slim
+#    - os: linux
+#      env: VERSION=3.5 VARIANT=stretch
+#    - os: linux
+#      env: VERSION=3.5 VARIANT=stretch/slim
+#    - os: linux
+#      env: VERSION=3.5 VARIANT=alpine3.10
+#    - os: linux
+#      env: VERSION=3.5 VARIANT=alpine3.9
+#    - os: windows
+#      dist: 1803-containers
+#      env: VERSION=2.7 VARIANT=windows/windowsservercore-1803
+#    - os: linux
+#      env: VERSION=2.7 VARIANT=buster
+#    - os: linux
+#      env: VERSION=2.7 VARIANT=buster/slim
+#    - os: linux
+#      env: VERSION=2.7 VARIANT=stretch
+#    - os: linux
+#      env: VERSION=2.7 VARIANT=stretch/slim
+#    - os: linux
+#      env: VERSION=2.7 VARIANT=alpine3.10
+#    - os: linux
+#      env: VERSION=2.7 VARIANT=alpine3.9
 
 install:
   - git clone https://github.com/docker-library/official-images.git ~/official-images
@@ -74,7 +82,7 @@ install:
 before_script:
   - env | sort
   - cd "$VERSION/$VARIANT"
-  - slash='/'; image="python:${VERSION}-${VARIANT//$slash/-}"
+  - slash='/'; image="rusnyder/python:${VERSION}-${VARIANT//$slash/-}"
 
 script:
   - |
@@ -93,4 +101,12 @@ script:
 after_script:
   - docker images
 
+deploy:
+  provider: script
+  script:
+    - echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin
+      && docker push "$image"
+  on:
+    branch: master
+
 # vim:set et ts=2 sw=2:
diff --git a/3.7/ubuntu-bionic/Dockerfile b/3.7/ubuntu-bionic/Dockerfile
new file mode 100644
index 000000000..67e7014f1
--- /dev/null
+++ b/3.7/ubuntu-bionic/Dockerfile
@@ -0,0 +1,178 @@
+#
+# NOTE: THIS DOCKERFILE IS GENERATED VIA "update.sh"
+#
+# PLEASE DO NOT EDIT IT DIRECTLY.
+#
+
+FROM ubuntu:bionic
+
+# ensure local python is preferred over distribution python
+ENV PATH /usr/local/bin:$PATH
+
+# http://bugs.python.org/issue19846
+# > At the moment, setting "LANG=C" on a Linux system *fundamentally breaks Python 3*, and that's not OK.
+ENV LANG C.UTF-8
+
+# Disable any interactive prompts
+ENV DEBIAN_FRONTEND noninteractive
+
+# runtime dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+		ca-certificates \
+		netbase \
+	&& rm -rf /var/lib/apt/lists/*
+
+ENV GPG_KEY 0D96DF4D4110E5C43FBFB17F2D347EA6AA65421D
+ENV PYTHON_VERSION 3.7.5
+
+RUN set -ex \
+	\
+	&& savedAptMark="$(apt-mark showmanual)" \
+	&& apt-get update && apt-get install -y --no-install-recommends \
+		dpkg-dev \
+		gcc \
+		libbz2-dev \
+		libc6-dev \
+		libexpat1-dev \
+		libffi-dev \
+		libgdbm-dev \
+		liblzma-dev \
+		libncursesw5-dev \
+		libreadline-dev \
+		libsqlite3-dev \
+		libssl-dev \
+		make \
+		tk-dev \
+		uuid-dev \
+		wget \
+		xz-utils \
+		zlib1g-dev \
+# as of Stretch, "gpg" is no longer included by default
+		$(command -v gpg > /dev/null || echo 'gnupg dirmngr') \
+	\
+	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
+	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
+	&& export GNUPGHOME="$(mktemp -d)" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
+	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
+	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
+	&& mkdir -p /usr/src/python \
+	&& tar -xJC /usr/src/python --strip-components=1 -f python.tar.xz \
+	&& rm python.tar.xz \
+	\
+	&& cd /usr/src/python \
+	&& gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)" \
+	&& ./configure \
+		--build="$gnuArch" \
+		--enable-loadable-sqlite-extensions \
+		--enable-optimizations \
+		--enable-shared \
+		--with-system-expat \
+		--with-system-ffi \
+		--without-ensurepip \
+	&& make -j "$(nproc)" \
+# setting PROFILE_TASK makes "--enable-optimizations" reasonable: https://bugs.python.org/issue36044 / https://github.com/docker-library/python/issues/160#issuecomment-509426916
+		PROFILE_TASK='-m test.regrtest --pgo \
+			test_array \
+			test_base64 \
+			test_binascii \
+			test_binhex \
+			test_binop \
+			test_bytes \
+			test_c_locale_coercion \
+			test_class \
+			test_cmath \
+			test_codecs \
+			test_compile \
+			test_complex \
+			test_csv \
+			test_decimal \
+			test_dict \
+			test_float \
+			test_fstring \
+			test_hashlib \
+			test_io \
+			test_iter \
+			test_json \
+			test_long \
+			test_math \
+			test_memoryview \
+			test_pickle \
+			test_re \
+			test_set \
+			test_slice \
+			test_struct \
+			test_threading \
+			test_time \
+			test_traceback \
+			test_unicode \
+		' \
+	&& make install \
+	&& ldconfig \
+	\
+	&& apt-mark auto '.*' > /dev/null \
+	&& apt-mark manual $savedAptMark \
+	&& find /usr/local -type f -executable -not \( -name '*tkinter*' \) -exec ldd '{}' ';' \
+		| awk '/=>/ { print $(NF-1) }' \
+		| sort -u \
+		| xargs -r dpkg-query --search \
+		| cut -d: -f1 \
+		| sort -u \
+		| xargs -r apt-mark manual \
+	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
+	&& rm -rf /var/lib/apt/lists/* \
+	\
+	&& find /usr/local -depth \
+		\( \
+			\( -type d -a \( -name test -o -name tests \) \) \
+			-o \
+			\( -type f -a \( -name '*.pyc' -o -name '*.pyo' \) \) \
+		\) -exec rm -rf '{}' + \
+	&& rm -rf /usr/src/python \
+	\
+	&& python3 --version
+
+# make some useful symlinks that are expected to exist
+RUN cd /usr/local/bin \
+	&& ln -s idle3 idle \
+	&& ln -s pydoc3 pydoc \
+	&& ln -s python3 python \
+	&& ln -s python3-config python-config
+
+# if this is called "PIP_VERSION", pip explodes with "ValueError: invalid truth value '<VERSION>'"
+ENV PYTHON_PIP_VERSION 19.3.1
+# https://github.com/pypa/get-pip
+ENV PYTHON_GET_PIP_URL https://github.com/pypa/get-pip/raw/ffe826207a010164265d9cc807978e3604d18ca0/get-pip.py
+ENV PYTHON_GET_PIP_SHA256 b86f36cc4345ae87bfd4f10ef6b2dbfa7a872fbff70608a1e43944d283fd0eee
+
+RUN set -ex; \
+	\
+	savedAptMark="$(apt-mark showmanual)"; \
+	apt-get update; \
+	apt-get install -y --no-install-recommends wget; \
+	\
+	wget -O get-pip.py "$PYTHON_GET_PIP_URL"; \
+	echo "$PYTHON_GET_PIP_SHA256 *get-pip.py" | sha256sum --check --strict -; \
+	\
+	apt-mark auto '.*' > /dev/null; \
+	[ -z "$savedAptMark" ] || apt-mark manual $savedAptMark; \
+	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
+	rm -rf /var/lib/apt/lists/*; \
+	\
+	python get-pip.py \
+		--disable-pip-version-check \
+		--no-cache-dir \
+		"pip==$PYTHON_PIP_VERSION" \
+	; \
+	pip --version; \
+	\
+	find /usr/local -depth \
+		\( \
+			\( -type d -a \( -name test -o -name tests \) \) \
+			-o \
+			\( -type f -a \( -name '*.pyc' -o -name '*.pyo' \) \) \
+		\) -exec rm -rf '{}' +; \
+	rm -f get-pip.py
+
+CMD ["python3"]
diff --git a/3.7/ubuntu-xenial/Dockerfile b/3.7/ubuntu-xenial/Dockerfile
new file mode 100644
index 000000000..e131a24d8
--- /dev/null
+++ b/3.7/ubuntu-xenial/Dockerfile
@@ -0,0 +1,178 @@
+#
+# NOTE: THIS DOCKERFILE IS GENERATED VIA "update.sh"
+#
+# PLEASE DO NOT EDIT IT DIRECTLY.
+#
+
+FROM ubuntu:xenial
+
+# ensure local python is preferred over distribution python
+ENV PATH /usr/local/bin:$PATH
+
+# http://bugs.python.org/issue19846
+# > At the moment, setting "LANG=C" on a Linux system *fundamentally breaks Python 3*, and that's not OK.
+ENV LANG C.UTF-8
+
+# Disable any interactive prompts
+ENV DEBIAN_FRONTEND noninteractive
+
+# runtime dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+		ca-certificates \
+		netbase \
+	&& rm -rf /var/lib/apt/lists/*
+
+ENV GPG_KEY 0D96DF4D4110E5C43FBFB17F2D347EA6AA65421D
+ENV PYTHON_VERSION 3.7.5
+
+RUN set -ex \
+	\
+	&& savedAptMark="$(apt-mark showmanual)" \
+	&& apt-get update && apt-get install -y --no-install-recommends \
+		dpkg-dev \
+		gcc \
+		libbz2-dev \
+		libc6-dev \
+		libexpat1-dev \
+		libffi-dev \
+		libgdbm-dev \
+		liblzma-dev \
+		libncursesw5-dev \
+		libreadline-dev \
+		libsqlite3-dev \
+		libssl-dev \
+		make \
+		tk-dev \
+		uuid-dev \
+		wget \
+		xz-utils \
+		zlib1g-dev \
+# as of Stretch, "gpg" is no longer included by default
+		$(command -v gpg > /dev/null || echo 'gnupg dirmngr') \
+	\
+	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
+	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
+	&& export GNUPGHOME="$(mktemp -d)" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
+	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
+	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
+	&& mkdir -p /usr/src/python \
+	&& tar -xJC /usr/src/python --strip-components=1 -f python.tar.xz \
+	&& rm python.tar.xz \
+	\
+	&& cd /usr/src/python \
+	&& gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)" \
+	&& ./configure \
+		--build="$gnuArch" \
+		--enable-loadable-sqlite-extensions \
+		--enable-optimizations \
+		--enable-shared \
+		--with-system-expat \
+		--with-system-ffi \
+		--without-ensurepip \
+	&& make -j "$(nproc)" \
+# setting PROFILE_TASK makes "--enable-optimizations" reasonable: https://bugs.python.org/issue36044 / https://github.com/docker-library/python/issues/160#issuecomment-509426916
+		PROFILE_TASK='-m test.regrtest --pgo \
+			test_array \
+			test_base64 \
+			test_binascii \
+			test_binhex \
+			test_binop \
+			test_bytes \
+			test_c_locale_coercion \
+			test_class \
+			test_cmath \
+			test_codecs \
+			test_compile \
+			test_complex \
+			test_csv \
+			test_decimal \
+			test_dict \
+			test_float \
+			test_fstring \
+			test_hashlib \
+			test_io \
+			test_iter \
+			test_json \
+			test_long \
+			test_math \
+			test_memoryview \
+			test_pickle \
+			test_re \
+			test_set \
+			test_slice \
+			test_struct \
+			test_threading \
+			test_time \
+			test_traceback \
+			test_unicode \
+		' \
+	&& make install \
+	&& ldconfig \
+	\
+	&& apt-mark auto '.*' > /dev/null \
+	&& apt-mark manual $savedAptMark \
+	&& find /usr/local -type f -executable -not \( -name '*tkinter*' \) -exec ldd '{}' ';' \
+		| awk '/=>/ { print $(NF-1) }' \
+		| sort -u \
+		| xargs -r dpkg-query --search \
+		| cut -d: -f1 \
+		| sort -u \
+		| xargs -r apt-mark manual \
+	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
+	&& rm -rf /var/lib/apt/lists/* \
+	\
+	&& find /usr/local -depth \
+		\( \
+			\( -type d -a \( -name test -o -name tests \) \) \
+			-o \
+			\( -type f -a \( -name '*.pyc' -o -name '*.pyo' \) \) \
+		\) -exec rm -rf '{}' + \
+	&& rm -rf /usr/src/python \
+	\
+	&& python3 --version
+
+# make some useful symlinks that are expected to exist
+RUN cd /usr/local/bin \
+	&& ln -s idle3 idle \
+	&& ln -s pydoc3 pydoc \
+	&& ln -s python3 python \
+	&& ln -s python3-config python-config
+
+# if this is called "PIP_VERSION", pip explodes with "ValueError: invalid truth value '<VERSION>'"
+ENV PYTHON_PIP_VERSION 19.3.1
+# https://github.com/pypa/get-pip
+ENV PYTHON_GET_PIP_URL https://github.com/pypa/get-pip/raw/ffe826207a010164265d9cc807978e3604d18ca0/get-pip.py
+ENV PYTHON_GET_PIP_SHA256 b86f36cc4345ae87bfd4f10ef6b2dbfa7a872fbff70608a1e43944d283fd0eee
+
+RUN set -ex; \
+	\
+	savedAptMark="$(apt-mark showmanual)"; \
+	apt-get update; \
+	apt-get install -y --no-install-recommends wget; \
+	\
+	wget -O get-pip.py "$PYTHON_GET_PIP_URL"; \
+	echo "$PYTHON_GET_PIP_SHA256 *get-pip.py" | sha256sum --check --strict -; \
+	\
+	apt-mark auto '.*' > /dev/null; \
+	[ -z "$savedAptMark" ] || apt-mark manual $savedAptMark; \
+	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
+	rm -rf /var/lib/apt/lists/*; \
+	\
+	python get-pip.py \
+		--disable-pip-version-check \
+		--no-cache-dir \
+		"pip==$PYTHON_PIP_VERSION" \
+	; \
+	pip --version; \
+	\
+	find /usr/local -depth \
+		\( \
+			\( -type d -a \( -name test -o -name tests \) \) \
+			-o \
+			\( -type f -a \( -name '*.pyc' -o -name '*.pyo' \) \) \
+		\) -exec rm -rf '{}' +; \
+	rm -f get-pip.py
+
+CMD ["python3"]
diff --git a/3.8/ubuntu-bionic/Dockerfile b/3.8/ubuntu-bionic/Dockerfile
new file mode 100644
index 000000000..230e515a4
--- /dev/null
+++ b/3.8/ubuntu-bionic/Dockerfile
@@ -0,0 +1,142 @@
+#
+# NOTE: THIS DOCKERFILE IS GENERATED VIA "update.sh"
+#
+# PLEASE DO NOT EDIT IT DIRECTLY.
+#
+
+FROM ubuntu:bionic
+
+# ensure local python is preferred over distribution python
+ENV PATH /usr/local/bin:$PATH
+
+# http://bugs.python.org/issue19846
+# > At the moment, setting "LANG=C" on a Linux system *fundamentally breaks Python 3*, and that's not OK.
+ENV LANG C.UTF-8
+
+# Disable any interactive prompts
+ENV DEBIAN_FRONTEND noninteractive
+
+# runtime dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+		ca-certificates \
+		netbase \
+	&& rm -rf /var/lib/apt/lists/*
+
+ENV GPG_KEY E3FF2839C048B25C084DEBE9B26995E310250568
+ENV PYTHON_VERSION 3.8.0
+
+RUN set -ex \
+	\
+	&& savedAptMark="$(apt-mark showmanual)" \
+	&& apt-get update && apt-get install -y --no-install-recommends \
+		dpkg-dev \
+		gcc \
+		libbz2-dev \
+		libc6-dev \
+		libexpat1-dev \
+		libffi-dev \
+		libgdbm-dev \
+		liblzma-dev \
+		libncursesw5-dev \
+		libreadline-dev \
+		libsqlite3-dev \
+		libssl-dev \
+		make \
+		tk-dev \
+		uuid-dev \
+		wget \
+		xz-utils \
+		zlib1g-dev \
+# as of Stretch, "gpg" is no longer included by default
+		$(command -v gpg > /dev/null || echo 'gnupg dirmngr') \
+	\
+	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
+	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
+	&& export GNUPGHOME="$(mktemp -d)" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
+	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
+	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
+	&& mkdir -p /usr/src/python \
+	&& tar -xJC /usr/src/python --strip-components=1 -f python.tar.xz \
+	&& rm python.tar.xz \
+	\
+	&& cd /usr/src/python \
+	&& gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)" \
+	&& ./configure \
+		--build="$gnuArch" \
+		--enable-loadable-sqlite-extensions \
+		--enable-optimizations \
+		--enable-shared \
+		--with-system-expat \
+		--with-system-ffi \
+		--without-ensurepip \
+	&& make -j "$(nproc)" \
+	&& make install \
+	&& ldconfig \
+	\
+	&& apt-mark auto '.*' > /dev/null \
+	&& apt-mark manual $savedAptMark \
+	&& find /usr/local -type f -executable -not \( -name '*tkinter*' \) -exec ldd '{}' ';' \
+		| awk '/=>/ { print $(NF-1) }' \
+		| sort -u \
+		| xargs -r dpkg-query --search \
+		| cut -d: -f1 \
+		| sort -u \
+		| xargs -r apt-mark manual \
+	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
+	&& rm -rf /var/lib/apt/lists/* \
+	\
+	&& find /usr/local -depth \
+		\( \
+			\( -type d -a \( -name test -o -name tests \) \) \
+			-o \
+			\( -type f -a \( -name '*.pyc' -o -name '*.pyo' \) \) \
+		\) -exec rm -rf '{}' + \
+	&& rm -rf /usr/src/python \
+	\
+	&& python3 --version
+
+# make some useful symlinks that are expected to exist
+RUN cd /usr/local/bin \
+	&& ln -s idle3 idle \
+	&& ln -s pydoc3 pydoc \
+	&& ln -s python3 python \
+	&& ln -s python3-config python-config
+
+# if this is called "PIP_VERSION", pip explodes with "ValueError: invalid truth value '<VERSION>'"
+ENV PYTHON_PIP_VERSION 19.3.1
+# https://github.com/pypa/get-pip
+ENV PYTHON_GET_PIP_URL https://github.com/pypa/get-pip/raw/ffe826207a010164265d9cc807978e3604d18ca0/get-pip.py
+ENV PYTHON_GET_PIP_SHA256 b86f36cc4345ae87bfd4f10ef6b2dbfa7a872fbff70608a1e43944d283fd0eee
+
+RUN set -ex; \
+	\
+	savedAptMark="$(apt-mark showmanual)"; \
+	apt-get update; \
+	apt-get install -y --no-install-recommends wget; \
+	\
+	wget -O get-pip.py "$PYTHON_GET_PIP_URL"; \
+	echo "$PYTHON_GET_PIP_SHA256 *get-pip.py" | sha256sum --check --strict -; \
+	\
+	apt-mark auto '.*' > /dev/null; \
+	[ -z "$savedAptMark" ] || apt-mark manual $savedAptMark; \
+	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
+	rm -rf /var/lib/apt/lists/*; \
+	\
+	python get-pip.py \
+		--disable-pip-version-check \
+		--no-cache-dir \
+		"pip==$PYTHON_PIP_VERSION" \
+	; \
+	pip --version; \
+	\
+	find /usr/local -depth \
+		\( \
+			\( -type d -a \( -name test -o -name tests \) \) \
+			-o \
+			\( -type f -a \( -name '*.pyc' -o -name '*.pyo' \) \) \
+		\) -exec rm -rf '{}' +; \
+	rm -f get-pip.py
+
+CMD ["python3"]
diff --git a/3.8/ubuntu-xenial/Dockerfile b/3.8/ubuntu-xenial/Dockerfile
new file mode 100644
index 000000000..1e3bfefce
--- /dev/null
+++ b/3.8/ubuntu-xenial/Dockerfile
@@ -0,0 +1,142 @@
+#
+# NOTE: THIS DOCKERFILE IS GENERATED VIA "update.sh"
+#
+# PLEASE DO NOT EDIT IT DIRECTLY.
+#
+
+FROM ubuntu:xenial
+
+# ensure local python is preferred over distribution python
+ENV PATH /usr/local/bin:$PATH
+
+# http://bugs.python.org/issue19846
+# > At the moment, setting "LANG=C" on a Linux system *fundamentally breaks Python 3*, and that's not OK.
+ENV LANG C.UTF-8
+
+# Disable any interactive prompts
+ENV DEBIAN_FRONTEND noninteractive
+
+# runtime dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+		ca-certificates \
+		netbase \
+	&& rm -rf /var/lib/apt/lists/*
+
+ENV GPG_KEY E3FF2839C048B25C084DEBE9B26995E310250568
+ENV PYTHON_VERSION 3.8.0
+
+RUN set -ex \
+	\
+	&& savedAptMark="$(apt-mark showmanual)" \
+	&& apt-get update && apt-get install -y --no-install-recommends \
+		dpkg-dev \
+		gcc \
+		libbz2-dev \
+		libc6-dev \
+		libexpat1-dev \
+		libffi-dev \
+		libgdbm-dev \
+		liblzma-dev \
+		libncursesw5-dev \
+		libreadline-dev \
+		libsqlite3-dev \
+		libssl-dev \
+		make \
+		tk-dev \
+		uuid-dev \
+		wget \
+		xz-utils \
+		zlib1g-dev \
+# as of Stretch, "gpg" is no longer included by default
+		$(command -v gpg > /dev/null || echo 'gnupg dirmngr') \
+	\
+	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
+	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
+	&& export GNUPGHOME="$(mktemp -d)" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
+	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
+	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
+	&& mkdir -p /usr/src/python \
+	&& tar -xJC /usr/src/python --strip-components=1 -f python.tar.xz \
+	&& rm python.tar.xz \
+	\
+	&& cd /usr/src/python \
+	&& gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)" \
+	&& ./configure \
+		--build="$gnuArch" \
+		--enable-loadable-sqlite-extensions \
+		--enable-optimizations \
+		--enable-shared \
+		--with-system-expat \
+		--with-system-ffi \
+		--without-ensurepip \
+	&& make -j "$(nproc)" \
+	&& make install \
+	&& ldconfig \
+	\
+	&& apt-mark auto '.*' > /dev/null \
+	&& apt-mark manual $savedAptMark \
+	&& find /usr/local -type f -executable -not \( -name '*tkinter*' \) -exec ldd '{}' ';' \
+		| awk '/=>/ { print $(NF-1) }' \
+		| sort -u \
+		| xargs -r dpkg-query --search \
+		| cut -d: -f1 \
+		| sort -u \
+		| xargs -r apt-mark manual \
+	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
+	&& rm -rf /var/lib/apt/lists/* \
+	\
+	&& find /usr/local -depth \
+		\( \
+			\( -type d -a \( -name test -o -name tests \) \) \
+			-o \
+			\( -type f -a \( -name '*.pyc' -o -name '*.pyo' \) \) \
+		\) -exec rm -rf '{}' + \
+	&& rm -rf /usr/src/python \
+	\
+	&& python3 --version
+
+# make some useful symlinks that are expected to exist
+RUN cd /usr/local/bin \
+	&& ln -s idle3 idle \
+	&& ln -s pydoc3 pydoc \
+	&& ln -s python3 python \
+	&& ln -s python3-config python-config
+
+# if this is called "PIP_VERSION", pip explodes with "ValueError: invalid truth value '<VERSION>'"
+ENV PYTHON_PIP_VERSION 19.3.1
+# https://github.com/pypa/get-pip
+ENV PYTHON_GET_PIP_URL https://github.com/pypa/get-pip/raw/ffe826207a010164265d9cc807978e3604d18ca0/get-pip.py
+ENV PYTHON_GET_PIP_SHA256 b86f36cc4345ae87bfd4f10ef6b2dbfa7a872fbff70608a1e43944d283fd0eee
+
+RUN set -ex; \
+	\
+	savedAptMark="$(apt-mark showmanual)"; \
+	apt-get update; \
+	apt-get install -y --no-install-recommends wget; \
+	\
+	wget -O get-pip.py "$PYTHON_GET_PIP_URL"; \
+	echo "$PYTHON_GET_PIP_SHA256 *get-pip.py" | sha256sum --check --strict -; \
+	\
+	apt-mark auto '.*' > /dev/null; \
+	[ -z "$savedAptMark" ] || apt-mark manual $savedAptMark; \
+	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
+	rm -rf /var/lib/apt/lists/*; \
+	\
+	python get-pip.py \
+		--disable-pip-version-check \
+		--no-cache-dir \
+		"pip==$PYTHON_PIP_VERSION" \
+	; \
+	pip --version; \
+	\
+	find /usr/local -depth \
+		\( \
+			\( -type d -a \( -name test -o -name tests \) \) \
+			-o \
+			\( -type f -a \( -name '*.pyc' -o -name '*.pyo' \) \) \
+		\) -exec rm -rf '{}' +; \
+	rm -f get-pip.py
+
+CMD ["python3"]
diff --git a/Dockerfile-ubuntu.template b/Dockerfile-ubuntu.template
new file mode 100644
index 000000000..29280594e
--- /dev/null
+++ b/Dockerfile-ubuntu.template
@@ -0,0 +1,172 @@
+FROM ubuntu:%%PLACEHOLDER%%
+
+# ensure local python is preferred over distribution python
+ENV PATH /usr/local/bin:$PATH
+
+# http://bugs.python.org/issue19846
+# > At the moment, setting "LANG=C" on a Linux system *fundamentally breaks Python 3*, and that's not OK.
+ENV LANG C.UTF-8
+
+# Disable any interactive prompts
+ENV DEBIAN_FRONTEND noninteractive
+
+# runtime dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+		ca-certificates \
+		netbase \
+	&& rm -rf /var/lib/apt/lists/*
+
+ENV GPG_KEY %%PLACEHOLDER%%
+ENV PYTHON_VERSION %%PLACEHOLDER%%
+
+RUN set -ex \
+	\
+	&& savedAptMark="$(apt-mark showmanual)" \
+	&& apt-get update && apt-get install -y --no-install-recommends \
+		dpkg-dev \
+		gcc \
+		libbz2-dev \
+		libc6-dev \
+		libexpat1-dev \
+		libffi-dev \
+		libgdbm-dev \
+		liblzma-dev \
+		libncursesw5-dev \
+		libreadline-dev \
+		libsqlite3-dev \
+		libssl-dev \
+		make \
+		tk-dev \
+		uuid-dev \
+		wget \
+		xz-utils \
+		zlib1g-dev \
+# as of Stretch, "gpg" is no longer included by default
+		$(command -v gpg > /dev/null || echo 'gnupg dirmngr') \
+	\
+	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" \
+	&& wget -O python.tar.xz.asc "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" \
+	&& export GNUPGHOME="$(mktemp -d)" \
+	&& gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
+	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
+	&& { command -v gpgconf > /dev/null && gpgconf --kill all || :; } \
+	&& rm -rf "$GNUPGHOME" python.tar.xz.asc \
+	&& mkdir -p /usr/src/python \
+	&& tar -xJC /usr/src/python --strip-components=1 -f python.tar.xz \
+	&& rm python.tar.xz \
+	\
+	&& cd /usr/src/python \
+	&& gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)" \
+	&& ./configure \
+		--build="$gnuArch" \
+		--enable-loadable-sqlite-extensions \
+		--enable-optimizations \
+		--enable-shared \
+		--with-system-expat \
+		--with-system-ffi \
+		--without-ensurepip \
+	&& make -j "$(nproc)" \
+# setting PROFILE_TASK makes "--enable-optimizations" reasonable: https://bugs.python.org/issue36044 / https://github.com/docker-library/python/issues/160#issuecomment-509426916
+		PROFILE_TASK='-m test.regrtest --pgo \
+			test_array \
+			test_base64 \
+			test_binascii \
+			test_binhex \
+			test_binop \
+			test_bytes \
+			test_c_locale_coercion \
+			test_class \
+			test_cmath \
+			test_codecs \
+			test_compile \
+			test_complex \
+			test_csv \
+			test_decimal \
+			test_dict \
+			test_float \
+			test_fstring \
+			test_hashlib \
+			test_io \
+			test_iter \
+			test_json \
+			test_long \
+			test_math \
+			test_memoryview \
+			test_pickle \
+			test_re \
+			test_set \
+			test_slice \
+			test_struct \
+			test_threading \
+			test_time \
+			test_traceback \
+			test_unicode \
+		' \
+	&& make install \
+	&& ldconfig \
+	\
+	&& apt-mark auto '.*' > /dev/null \
+	&& apt-mark manual $savedAptMark \
+	&& find /usr/local -type f -executable -not \( -name '*tkinter*' \) -exec ldd '{}' ';' \
+		| awk '/=>/ { print $(NF-1) }' \
+		| sort -u \
+		| xargs -r dpkg-query --search \
+		| cut -d: -f1 \
+		| sort -u \
+		| xargs -r apt-mark manual \
+	&& apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
+	&& rm -rf /var/lib/apt/lists/* \
+	\
+	&& find /usr/local -depth \
+		\( \
+			\( -type d -a \( -name test -o -name tests \) \) \
+			-o \
+			\( -type f -a \( -name '*.pyc' -o -name '*.pyo' \) \) \
+		\) -exec rm -rf '{}' + \
+	&& rm -rf /usr/src/python \
+	\
+	&& python3 --version
+
+# make some useful symlinks that are expected to exist
+RUN cd /usr/local/bin \
+	&& ln -s idle3 idle \
+	&& ln -s pydoc3 pydoc \
+	&& ln -s python3 python \
+	&& ln -s python3-config python-config
+
+# if this is called "PIP_VERSION", pip explodes with "ValueError: invalid truth value '<VERSION>'"
+ENV PYTHON_PIP_VERSION %%PLACEHOLDER%%
+# https://github.com/pypa/get-pip
+ENV PYTHON_GET_PIP_URL %%PLACEHOLDER%%
+ENV PYTHON_GET_PIP_SHA256 %%PLACEHOLDER%%
+
+RUN set -ex; \
+	\
+	savedAptMark="$(apt-mark showmanual)"; \
+	apt-get update; \
+	apt-get install -y --no-install-recommends wget; \
+	\
+	wget -O get-pip.py "$PYTHON_GET_PIP_URL"; \
+	echo "$PYTHON_GET_PIP_SHA256 *get-pip.py" | sha256sum --check --strict -; \
+	\
+	apt-mark auto '.*' > /dev/null; \
+	[ -z "$savedAptMark" ] || apt-mark manual $savedAptMark; \
+	apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
+	rm -rf /var/lib/apt/lists/*; \
+	\
+	python get-pip.py \
+		--disable-pip-version-check \
+		--no-cache-dir \
+		"pip==$PYTHON_PIP_VERSION" \
+	; \
+	pip --version; \
+	\
+	find /usr/local -depth \
+		\( \
+			\( -type d -a \( -name test -o -name tests \) \) \
+			-o \
+			\( -type f -a \( -name '*.pyc' -o -name '*.pyo' \) \) \
+		\) -exec rm -rf '{}' +; \
+	rm -f get-pip.py
+
+CMD ["python3"]
diff --git a/update.sh b/update.sh
index b0f1622ea..58cdc6f5d 100755
--- a/update.sh
+++ b/update.sh
@@ -118,6 +118,7 @@ for version in "${versions[@]}"; do
 	for v in \
 		alpine{3.9,3.10} \
 		{stretch,buster}{/slim,} \
+		ubuntu-{xenial,bionic} \
 		windows/windowsservercore-{1809,1803,ltsc2016} \
 	; do
 		dir="$version/$v"
@@ -129,6 +130,7 @@ for version in "${versions[@]}"; do
 			slim) template="$variant"; tag="$(basename "$(dirname "$dir")")" ;;
 			windowsservercore-*) template='windowsservercore'; tag="${variant#*-}" ;;
 			alpine*) template='alpine'; tag="${variant#alpine}" ;;
+			ubuntu*) template='ubuntu'; tag="${variant#ubuntu-}" ;;
 			*) template='debian'; tag="$variant" ;;
 		esac
 		if [ "$variant" = 'slim' ]; then
@@ -150,7 +152,7 @@ for version in "${versions[@]}"; do
 			-e 's!^(ENV PYTHON_GET_PIP_URL) .*!\1 '"$getPipUrl"'!' \
 			-e 's!^(ENV PYTHON_GET_PIP_SHA256) .*!\1 '"$getPipSha256"'!' \
 			-e 's/^(FROM python):.*/\1:'"$version-$tag"'/' \
-			-e 's!^(FROM (debian|buildpack-deps|alpine|mcr[.]microsoft[.]com/[^:]+)):.*!\1:'"$tag"'!' \
+			-e 's!^(FROM (debian|buildpack-deps|alpine|ubuntu|mcr[.]microsoft[.]com/[^:]+)):.*!\1:'"$tag"'!' \
 			"$dir/Dockerfile"
 
 		case "$rcVersion/$v" in

<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Transitional//EN' 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd'>
<html xmlns='http://www.w3.org/1999/xhtml'>
<head>
<title>pFad - Phonifier reborn</title>
<meta http-equiv='Content-Type' content='text/html; charset=utf-8' />
</head>
<body>
<h1>Pfad - The Proxy pFad of &#169; 2024 Garber Painting. All rights reserved.</h1>


<!-- Disclaimer -->
<p>Note: This service is not intended for secure transactions such as banking, social media, email, or purchasing. Use at your own risk. We assume no liability whatsoever for broken pages.</p>
<br>
<p>Alternative Proxies:</p><p><a href="http://rainy.clevelandohioweatherforecast.com/php-proxy/index.php?q=https://github.com/docker-library/python/compare/master...rusnyder:python:master.diff" target="_blank">Alternative Proxy</a></p><p><a href="http://rainy.clevelandohioweatherforecast.com/pFad/index.php?u=https://github.com/docker-library/python/compare/master...rusnyder:python:master.diff" target="_blank">pFad Proxy</a></p><p><a href="http://rainy.clevelandohioweatherforecast.com/pFad/v3index.php?u=https://github.com/docker-library/python/compare/master...rusnyder:python:master.diff" target="_blank">pFad v3 Proxy</a></p><p><a href="http://rainy.clevelandohioweatherforecast.com/pFad/v4index.php?u=https://github.com/docker-library/python/compare/master...rusnyder:python:master.diff" target="_blank">pFad v4 Proxy</a></p></body>
</html>