Add a few simple Python 3 templates based on existing Dockerfiles

2.7/Dockerfile

@@ -1,15 +1,19 @@
 FROM buildpack-deps:jessie
 
-# ensure local python is used over debian python
+# 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
 
-# gpg: key 18ADD4FF: public key "Benjamin Peterson <[email protected]>" imported
-ENV GPG_KEY C01E1CAD5EA2C4F0B8E3571504C367C218ADD4FF
+# runtime dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+		tcl \
+		tk \
+	&& rm -rf /var/lib/apt/lists/*
 
+ENV GPG_KEY C01E1CAD5EA2C4F0B8E3571504C367C218ADD4FF
 ENV PYTHON_VERSION 2.7.12
 
 # if this is called "PIP_VERSION", pip explodes with "ValueError: invalid truth value '<VERSION>'"
@@ -20,13 +24,10 @@ RUN set -ex \
 		tcl-dev \
 		tk-dev \
 	' \
-	&& runDeps=' \
-		tcl \
-		tk \
-	' \
-	&& apt-get update && apt-get install -y $runDeps $buildDeps --no-install-recommends && rm -rf /var/lib/apt/lists/* \
-	&& curl -fSL "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" -o python.tar.xz \
-	&& curl -fSL "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" -o python.tar.xz.asc \
+	&& apt-get update && apt-get install -y $buildDeps --no-install-recommends && rm -rf /var/lib/apt/lists/* \
+	\
+	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${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 --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
@@ -42,9 +43,13 @@ RUN set -ex \
 	&& make -j$(nproc) \
 	&& make install \
 	&& ldconfig \
-	&& curl -fSL 'https://bootstrap.pypa.io/get-pip.py' | python2 \
-	&& pip install --no-cache-dir --upgrade pip==$PYTHON_PIP_VERSION \
-	&& [ "$(pip list | awk -F '[ ()]+' '$1 == "pip" { print $2; exit }')" = "$PYTHON_PIP_VERSION" ] \
+	\
+		&& wget -O /tmp/get-pip.py 'https://bootstrap.pypa.io/get-pip.py' \
+		&& python2 /tmp/get-pip.py "pip==$PYTHON_PIP_VERSION" \
+		&& rm /tmp/get-pip.py \
+	&& pip install --no-cache-dir --upgrade "pip==$PYTHON_PIP_VERSION" \
+	&& [ "$(pip list |tac|tac| awk -F '[ ()]+' '$1 == "pip" { print $2; exit }')" = "$PYTHON_PIP_VERSION" ] \
+	\
 	&& find /usr/local -depth \
 		\( \
 			\( -type d -a -name test -o -name tests \) \

2.7/alpine/Dockerfile

@@ -1,5 +1,8 @@
 FROM alpine:3.4
 
+# 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
@@ -8,18 +11,21 @@ ENV LANG C.UTF-8
 # the other runtime dependencies for Python are installed later
 RUN apk add --no-cache ca-certificates
 
-# gpg: key 18ADD4FF: public key "Benjamin Peterson <[email protected]>" imported
 ENV GPG_KEY C01E1CAD5EA2C4F0B8E3571504C367C218ADD4FF
-
 ENV PYTHON_VERSION 2.7.12
 
 # if this is called "PIP_VERSION", pip explodes with "ValueError: invalid truth value '<VERSION>'"
 ENV PYTHON_PIP_VERSION 8.1.2
 
 RUN set -ex \
-	&& apk add --no-cache --virtual .fetch-deps curl gnupg tar xz \
-	&& curl -fSL "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" -o python.tar.xz \
-	&& curl -fSL "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" -o python.tar.xz.asc \
+	&& apk add --no-cache --virtual .fetch-deps \
+		gnupg \
+		openssl \
+		tar \
+		xz \
+	\
+	&& 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="$(mktemp -d)" \
 	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
@@ -35,6 +41,7 @@ RUN set -ex \
 		linux-headers \
 		make \
 		ncurses-dev \
+		openssl \
 		openssl-dev \
 		pax-utils \
 		readline-dev \
@@ -43,15 +50,22 @@ RUN set -ex \
 		tk \
 		tk-dev \
 		zlib-dev \
+# add build deps before removing fetch deps in case there's overlap
+	&& apk del .fetch-deps \
+	\
 	&& cd /usr/src/python \
 	&& ./configure \
 		--enable-shared \
 		--enable-unicode=ucs4 \
 	&& make -j$(getconf _NPROCESSORS_ONLN) \
 	&& make install \
-	&& curl -fSL 'https://bootstrap.pypa.io/get-pip.py' | python2 \
-	&& pip install --no-cache-dir --upgrade pip==$PYTHON_PIP_VERSION \
-	&& [ "$(pip list | awk -F '[ ()]+' '$1 == "pip" { print $2; exit }')" = "$PYTHON_PIP_VERSION" ] \
+	\
+		&& wget -O /tmp/get-pip.py 'https://bootstrap.pypa.io/get-pip.py' \
+		&& python2 /tmp/get-pip.py "pip==$PYTHON_PIP_VERSION" \
+		&& rm /tmp/get-pip.py \
+	&& pip install --no-cache-dir --upgrade "pip==$PYTHON_PIP_VERSION" \
+	&& [ "$(pip list |tac|tac| awk -F '[ ()]+' '$1 == "pip" { print $2; exit }')" = "$PYTHON_PIP_VERSION" ] \
+	\
 	&& find /usr/local -depth \
 		\( \
 			\( -type d -a -name test -o -name tests \) \
@@ -66,7 +80,7 @@ RUN set -ex \
 			| sort -u \
 	)" \
 	&& apk add --virtual .python-rundeps $runDeps \
-	&& apk del .build-deps .fetch-deps \
+	&& apk del .build-deps \
 	&& rm -rf /usr/src/python ~/.cache
 
 CMD ["python2"]

2.7/slim/Dockerfile

@@ -1,29 +1,27 @@
 FROM debian:jessie
 
-# ensure local python is used over debian python
+# 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
 
+# runtime dependencies
 RUN apt-get update && apt-get install -y --no-install-recommends \
 		ca-certificates \
 		libsqlite3-0 \
 		libssl1.0.0 \
 	&& rm -rf /var/lib/apt/lists/*
 
-# gpg: key 18ADD4FF: public key "Benjamin Peterson <[email protected]>" imported
 ENV GPG_KEY C01E1CAD5EA2C4F0B8E3571504C367C218ADD4FF
-
 ENV PYTHON_VERSION 2.7.12
 
 # if this is called "PIP_VERSION", pip explodes with "ValueError: invalid truth value '<VERSION>'"
 ENV PYTHON_PIP_VERSION 8.1.2
 
 RUN set -ex \
 	&& buildDeps=' \
-		curl \
 		gcc \
 		libbz2-dev \
 		libc6-dev \
@@ -34,12 +32,14 @@ RUN set -ex \
 		make \
 		tcl-dev \
 		tk-dev \
+		wget \
 		xz-utils \
 		zlib1g-dev \
 	' \
 	&& apt-get update && apt-get install -y $buildDeps --no-install-recommends && rm -rf /var/lib/apt/lists/* \
-	&& curl -fSL "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" -o python.tar.xz \
-	&& curl -fSL "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" -o python.tar.xz.asc \
+	\
+	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${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 --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
@@ -55,9 +55,13 @@ RUN set -ex \
 	&& make -j$(nproc) \
 	&& make install \
 	&& ldconfig \
-	&& curl -fSL 'https://bootstrap.pypa.io/get-pip.py' | python2 \
-	&& pip install --no-cache-dir --upgrade pip==$PYTHON_PIP_VERSION \
-	&& [ "$(pip list | awk -F '[ ()]+' '$1 == "pip" { print $2; exit }')" = "$PYTHON_PIP_VERSION" ] \
+	\
+		&& wget -O /tmp/get-pip.py 'https://bootstrap.pypa.io/get-pip.py' \
+		&& python2 /tmp/get-pip.py "pip==$PYTHON_PIP_VERSION" \
+		&& rm /tmp/get-pip.py \
+	&& pip install --no-cache-dir --upgrade "pip==$PYTHON_PIP_VERSION" \
+	&& [ "$(pip list |tac|tac| awk -F '[ ()]+' '$1 == "pip" { print $2; exit }')" = "$PYTHON_PIP_VERSION" ] \
+	\
 	&& find /usr/local -depth \
 		\( \
 			\( -type d -a -name test -o -name tests \) \

2.7/wheezy/Dockerfile

@@ -1,15 +1,19 @@
 FROM buildpack-deps:wheezy
 
-# ensure local python is used over debian python
+# 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
 
-# gpg: key 18ADD4FF: public key "Benjamin Peterson <[email protected]>" imported
-ENV GPG_KEY C01E1CAD5EA2C4F0B8E3571504C367C218ADD4FF
+# runtime dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+		tcl \
+		tk \
+	&& rm -rf /var/lib/apt/lists/*
 
+ENV GPG_KEY C01E1CAD5EA2C4F0B8E3571504C367C218ADD4FF
 ENV PYTHON_VERSION 2.7.12
 
 # if this is called "PIP_VERSION", pip explodes with "ValueError: invalid truth value '<VERSION>'"
@@ -20,13 +24,10 @@ RUN set -ex \
 		tcl-dev \
 		tk-dev \
 	' \
-	&& runDeps=' \
-		tcl \
-		tk \
-	' \
-	&& apt-get update && apt-get install -y $runDeps $buildDeps --no-install-recommends && rm -rf /var/lib/apt/lists/* \
-	&& curl -fSL "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" -o python.tar.xz \
-	&& curl -fSL "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" -o python.tar.xz.asc \
+	&& apt-get update && apt-get install -y $buildDeps --no-install-recommends && rm -rf /var/lib/apt/lists/* \
+	\
+	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${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 --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
@@ -42,9 +43,13 @@ RUN set -ex \
 	&& make -j$(nproc) \
 	&& make install \
 	&& ldconfig \
-	&& curl -fSL 'https://bootstrap.pypa.io/get-pip.py' | python2 \
-	&& pip install --no-cache-dir --upgrade pip==$PYTHON_PIP_VERSION \
-	&& [ "$(pip list | awk -F '[ ()]+' '$1 == "pip" { print $2; exit }')" = "$PYTHON_PIP_VERSION" ] \
+	\
+		&& wget -O /tmp/get-pip.py 'https://bootstrap.pypa.io/get-pip.py' \
+		&& python2 /tmp/get-pip.py "pip==$PYTHON_PIP_VERSION" \
+		&& rm /tmp/get-pip.py \
+	&& pip install --no-cache-dir --upgrade "pip==$PYTHON_PIP_VERSION" \
+	&& [ "$(pip list |tac|tac| awk -F '[ ()]+' '$1 == "pip" { print $2; exit }')" = "$PYTHON_PIP_VERSION" ] \
+	\
 	&& find /usr/local -depth \
 		\( \
 			\( -type d -a -name test -o -name tests \) \

3.3/Dockerfile

@@ -1,15 +1,25 @@
+#
+# NOTE: THIS DOCKERFILE IS GENERATED VIA "update.sh"
+#
+# PLEASE DO NOT EDIT IT DIRECTLY.
+#
+
 FROM buildpack-deps:jessie
 
-# ensure local python is used over debian python
+# 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
 
-# gpg: key 36580288: public key "Georg Brandl (Python release signing key) <[email protected]>" imported
-ENV GPG_KEY 26DEA9D4613391EF3E25C9FF0A5B101836580288
+# runtime dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+		tcl \
+		tk \
+	&& rm -rf /var/lib/apt/lists/*
 
+ENV GPG_KEY 26DEA9D4613391EF3E25C9FF0A5B101836580288
 ENV PYTHON_VERSION 3.3.6
 
 # if this is called "PIP_VERSION", pip explodes with "ValueError: invalid truth value '<VERSION>'"
@@ -20,13 +30,10 @@ RUN set -ex \
 		tcl-dev \
 		tk-dev \
 	' \
-	&& runDeps=' \
-		tcl \
-		tk \
-	' \
-	&& apt-get update && apt-get install -y $runDeps $buildDeps --no-install-recommends && rm -rf /var/lib/apt/lists/* \
-	&& curl -fSL "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" -o python.tar.xz \
-	&& curl -fSL "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" -o python.tar.xz.asc \
+	&& apt-get update && apt-get install -y $buildDeps --no-install-recommends && rm -rf /var/lib/apt/lists/* \
+	\
+	&& wget -O python.tar.xz "https://www.python.org/ftp/python/${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 --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
@@ -42,9 +49,16 @@ RUN set -ex \
 	&& make -j$(nproc) \
 	&& make install \
 	&& ldconfig \
-	&& curl -fSL 'https://bootstrap.pypa.io/get-pip.py' | python3 \
-	&& pip install --no-cache-dir --upgrade pip==$PYTHON_PIP_VERSION \
-	&& [ "$(pip list | awk -F '[ ()]+' '$1 == "pip" { print $2; exit }')" = "$PYTHON_PIP_VERSION" ] \
+	\
+# explicit path to "pip3" to ensure distribution-provided "pip3" cannot interfere
+	&& if [ ! -e /usr/local/bin/pip3 ]; then : \
+		&& wget -O /tmp/get-pip.py 'https://bootstrap.pypa.io/get-pip.py' \
+		&& python3 /tmp/get-pip.py "pip==$PYTHON_PIP_VERSION" \
+		&& rm /tmp/get-pip.py \
+	; fi \
+	&& pip3 install --no-cache-dir --upgrade "pip==$PYTHON_PIP_VERSION" \
+	&& [ "$(pip list |tac|tac| awk -F '[ ()]+' '$1 == "pip" { print $2; exit }')" = "$PYTHON_PIP_VERSION" ] \
+	\
 	&& find /usr/local -depth \
 		\( \
 			\( -type d -a -name test -o -name tests \) \
@@ -56,6 +70,7 @@ RUN set -ex \
 
 # make some useful symlinks that are expected to exist
 RUN cd /usr/local/bin \
+	&& { [ -e easy_install ] || ln -s easy_install-* easy_install; } \
 	&& ln -s idle3 idle \
 	&& ln -s pydoc3 pydoc \
 	&& ln -s python3 python \