use Ned Deily's gpg key

Author: Jonathan Stewmon

3.6/Dockerfile

@@ -7,6 +7,9 @@ RUN apt-get purge -y python.*
 # > 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 AA65421D: public key "Ned Deily (Python release signing key) <[email protected]>" imported
+ENV GPG_KEY 0D96DF4D4110E5C43FBFB17F2D347EA6AA65421D
+
 ENV PYTHON_VERSION 3.6.0a2
 
 # if this is called "PIP_VERSION", pip explodes with "ValueError: invalid truth value '<VERSION>'"
@@ -16,7 +19,7 @@ RUN set -ex \
 	&& 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 \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& curl -fSL https://www.python.org/static/files/pubkeys.txt | gpg --import \
+	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& rm -r "$GNUPGHOME" python.tar.xz.asc \
 	&& mkdir -p /usr/src/python \

3.6/alpine/Dockerfile

@@ -4,6 +4,9 @@ FROM alpine:3.4
 # > 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 AA65421D: public key "Ned Deily (Python release signing key) <[email protected]>" imported
+ENV GPG_KEY 0D96DF4D4110E5C43FBFB17F2D347EA6AA65421D
+
 ENV PYTHON_VERSION 3.6.0a2
 
 # if this is called "PIP_VERSION", pip explodes with "ValueError: invalid truth value '<VERSION>'"
@@ -14,7 +17,7 @@ RUN set -ex \
 	&& 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 \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& curl -fSL https://www.python.org/static/files/pubkeys.txt | gpg --import \
+	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& rm -r "$GNUPGHOME" python.tar.xz.asc \
 	&& mkdir -p /usr/src \

3.6/slim/Dockerfile

@@ -7,6 +7,9 @@ RUN apt-get purge -y python.*
 # > 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 AA65421D: public key "Ned Deily (Python release signing key) <[email protected]>" imported
+ENV GPG_KEY 0D96DF4D4110E5C43FBFB17F2D347EA6AA65421D
+
 RUN apt-get update && apt-get install -y --no-install-recommends \
 		ca-certificates \
 		libsqlite3-0 \
@@ -37,7 +40,7 @@ RUN set -ex \
 	&& 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 \
 	&& export GNUPGHOME="$(mktemp -d)" \
-	&& curl -fSL https://www.python.org/static/files/pubkeys.txt | gpg --import \
+	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
 	&& gpg --batch --verify python.tar.xz.asc python.tar.xz \
 	&& rm -r "$GNUPGHOME" python.tar.xz.asc \
 	&& mkdir -p /usr/src/python \