1
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mirror of https://github.com/docker-library/postgres.git synced 2025-07-26 23:21:10 +03:00

Add 10~beta1

This commit is contained in:
Joe Ferguson
2017-06-21 16:03:02 -07:00
parent 74857f4148
commit a4b217591a
8 changed files with 542 additions and 5 deletions

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@ -12,6 +12,8 @@ env:
- VERSION=9.3 VARIANT=alpine
- VERSION=9.2
- VERSION=9.2 VARIANT=alpine
- VERSION=10
- VERSION=10 VARIANT=alpine
install:
- git clone https://github.com/docker-library/official-images.git ~/official-images

69
10/Dockerfile Normal file
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@ -0,0 +1,69 @@
# vim:set ft=dockerfile:
FROM debian:stretch
# explicitly set user/group IDs
RUN groupadd -r postgres --gid=999 && useradd -r -g postgres --uid=999 postgres
# grab gosu for easy step-down from root
ENV GOSU_VERSION 1.7
RUN set -x \
&& apt-get update && apt-get install -y --no-install-recommends ca-certificates wget && rm -rf /var/lib/apt/lists/* \
&& wget -O /usr/local/bin/gosu "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$(dpkg --print-architecture)" \
&& wget -O /usr/local/bin/gosu.asc "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$(dpkg --print-architecture).asc" \
&& export GNUPGHOME="$(mktemp -d)" \
&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4 \
&& gpg --batch --verify /usr/local/bin/gosu.asc /usr/local/bin/gosu \
&& rm -r "$GNUPGHOME" /usr/local/bin/gosu.asc \
&& chmod +x /usr/local/bin/gosu \
&& gosu nobody true \
&& apt-get purge -y --auto-remove ca-certificates wget
# make the "en_US.UTF-8" locale so postgres will be utf-8 enabled by default
RUN apt-get update && apt-get install -y locales && rm -rf /var/lib/apt/lists/* \
&& localedef -i en_US -c -f UTF-8 -A /usr/share/locale/locale.alias en_US.UTF-8
ENV LANG en_US.utf8
RUN mkdir /docker-entrypoint-initdb.d
RUN set -ex; \
# pub 4096R/ACCC4CF8 2011-10-13 [expires: 2019-07-02]
# Key fingerprint = B97B 0AFC AA1A 47F0 44F2 44A0 7FCC 7D46 ACCC 4CF8
# uid PostgreSQL Debian Repository
key='B97B0AFCAA1A47F044F244A07FCC7D46ACCC4CF8'; \
export GNUPGHOME="$(mktemp -d)"; \
gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
gpg --export "$key" > /etc/apt/trusted.gpg.d/postgres.gpg; \
rm -r "$GNUPGHOME"; \
apt-key list
ENV PG_MAJOR 10
ENV PG_VERSION 10~beta1-1.pgdg90+1
RUN echo 'deb http://apt.postgresql.org/pub/repos/apt/ jessie-pgdg main' $PG_MAJOR > /etc/apt/sources.list.d/pgdg.list
RUN apt-get update \
&& apt-get install -y postgresql-common \
&& sed -ri 's/#(create_main_cluster) .*$/\1 = false/' /etc/postgresql-common/createcluster.conf \
&& apt-get install -y \
postgresql-$PG_MAJOR=$PG_VERSION \
postgresql-contrib-$PG_MAJOR=$PG_VERSION \
&& rm -rf /var/lib/apt/lists/*
# make the sample config easier to munge (and "correct by default")
RUN mv -v /usr/share/postgresql/$PG_MAJOR/postgresql.conf.sample /usr/share/postgresql/ \
&& ln -sv ../postgresql.conf.sample /usr/share/postgresql/$PG_MAJOR/ \
&& sed -ri "s!^#?(listen_addresses)\s*=\s*\S+.*!\1 = '*'!" /usr/share/postgresql/postgresql.conf.sample
RUN mkdir -p /var/run/postgresql && chown -R postgres:postgres /var/run/postgresql && chmod 2777 /var/run/postgresql
ENV PATH /usr/lib/postgresql/$PG_MAJOR/bin:$PATH
ENV PGDATA /var/lib/postgresql/data
RUN mkdir -p "$PGDATA" && chown -R postgres:postgres "$PGDATA" && chmod 777 "$PGDATA" # this 777 will be replaced by 700 at runtime (allows semi-arbitrary "--user" values)
VOLUME /var/lib/postgresql/data
COPY docker-entrypoint.sh /usr/local/bin/
RUN ln -s usr/local/bin/docker-entrypoint.sh / # backwards compat
ENTRYPOINT ["docker-entrypoint.sh"]
EXPOSE 5432
CMD ["postgres"]

149
10/alpine/Dockerfile Normal file
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@ -0,0 +1,149 @@
# vim:set ft=dockerfile:
FROM alpine:3.6
# alpine includes "postgres" user/group in base install
# /etc/passwd:22:postgres:x:70:70::/var/lib/postgresql:/bin/sh
# /etc/group:34:postgres:x:70:
# the home directory for the postgres user, however, is not created by default
# see https://github.com/docker-library/postgres/issues/274
RUN set -ex; \
postgresHome="$(getent passwd postgres)"; \
postgresHome="$(echo "$postgresHome" | cut -d: -f6)"; \
[ "$postgresHome" = '/var/lib/postgresql' ]; \
mkdir -p "$postgresHome"; \
chown -R postgres:postgres "$postgresHome"
# su-exec (gosu-compatible) is installed further down
# make the "en_US.UTF-8" locale so postgres will be utf-8 enabled by default
# alpine doesn't require explicit locale-file generation
ENV LANG en_US.utf8
RUN mkdir /docker-entrypoint-initdb.d
ENV PG_MAJOR 10
ENV PG_VERSION 10beta1
ENV PG_SHA256 7eee02e6f6646c7d4d6e78893a4ff638cfa5f1025b706712da8c6ef2257b5e29
RUN set -ex \
\
&& apk add --no-cache --virtual .fetch-deps \
ca-certificates \
openssl \
tar \
\
&& wget -O postgresql.tar.bz2 "https://ftp.postgresql.org/pub/source/v$PG_VERSION/postgresql-$PG_VERSION.tar.bz2" \
&& echo "$PG_SHA256 *postgresql.tar.bz2" | sha256sum -c - \
&& mkdir -p /usr/src/postgresql \
&& tar \
--extract \
--file postgresql.tar.bz2 \
--directory /usr/src/postgresql \
--strip-components 1 \
&& rm postgresql.tar.bz2 \
\
&& apk add --no-cache --virtual .build-deps \
bison \
coreutils \
dpkg-dev dpkg \
flex \
gcc \
# krb5-dev \
libc-dev \
libedit-dev \
libxml2-dev \
libxslt-dev \
make \
# openldap-dev \
openssl-dev \
perl \
# perl-dev \
# python-dev \
# python3-dev \
# tcl-dev \
util-linux-dev \
zlib-dev \
\
&& cd /usr/src/postgresql \
# update "DEFAULT_PGSOCKET_DIR" to "/var/run/postgresql" (matching Debian)
# see https://anonscm.debian.org/git/pkg-postgresql/postgresql.git/tree/debian/patches/51-default-sockets-in-var.patch?id=8b539fcb3e093a521c095e70bdfa76887217b89f
&& awk '$1 == "#define" && $2 == "DEFAULT_PGSOCKET_DIR" && $3 == "\"/tmp\"" { $3 = "\"/var/run/postgresql\""; print; next } { print }' src/include/pg_config_manual.h > src/include/pg_config_manual.h.new \
&& grep '/var/run/postgresql' src/include/pg_config_manual.h.new \
&& mv src/include/pg_config_manual.h.new src/include/pg_config_manual.h \
&& gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)" \
# explicitly update autoconf config.guess and config.sub so they support more arches/libcs
&& wget -O config/config.guess 'https://git.savannah.gnu.org/cgit/config.git/plain/config.guess?id=7d3d27baf8107b630586c962c057e22149653deb' \
&& wget -O config/config.sub 'https://git.savannah.gnu.org/cgit/config.git/plain/config.sub?id=7d3d27baf8107b630586c962c057e22149653deb' \
# configure options taken from:
# https://anonscm.debian.org/cgit/pkg-postgresql/postgresql.git/tree/debian/rules?h=9.5
&& ./configure \
--build="$gnuArch" \
# "/usr/src/postgresql/src/backend/access/common/tupconvert.c:105: undefined reference to `libintl_gettext'"
# --enable-nls \
--enable-integer-datetimes \
--enable-thread-safety \
--enable-tap-tests \
# skip debugging info -- we want tiny size instead
# --enable-debug \
--disable-rpath \
--with-uuid=e2fs \
--with-gnu-ld \
--with-pgport=5432 \
--with-system-tzdata=/usr/share/zoneinfo \
--prefix=/usr/local \
--with-includes=/usr/local/include \
--with-libraries=/usr/local/lib \
\
# these make our image abnormally large (at least 100MB larger), which seems uncouth for an "Alpine" (ie, "small") variant :)
# --with-krb5 \
# --with-gssapi \
# --with-ldap \
# --with-tcl \
# --with-perl \
# --with-python \
# --with-pam \
--with-openssl \
--with-libxml \
--with-libxslt \
&& make -j "$(nproc)" world \
&& make install-world \
&& make -C contrib install \
\
&& runDeps="$( \
scanelf --needed --nobanner --recursive /usr/local \
| awk '{ gsub(/,/, "\nso:", $2); print "so:" $2 }' \
| sort -u \
| xargs -r apk info --installed \
| sort -u \
)" \
&& apk add --no-cache --virtual .postgresql-rundeps \
$runDeps \
bash \
su-exec \
# tzdata is optional, but only adds around 1Mb to image size and is recommended by Django documentation:
# https://docs.djangoproject.com/en/1.10/ref/databases/#optimizing-postgresql-s-configuration
tzdata \
&& apk del .fetch-deps .build-deps \
&& cd / \
&& rm -rf \
/usr/src/postgresql \
/usr/local/share/doc \
/usr/local/share/man \
&& find /usr/local -name '*.a' -delete
# make the sample config easier to munge (and "correct by default")
RUN sed -ri "s!^#?(listen_addresses)\s*=\s*\S+.*!\1 = '*'!" /usr/local/share/postgresql/postgresql.conf.sample
RUN mkdir -p /var/run/postgresql && chown -R postgres:postgres /var/run/postgresql && chmod 2777 /var/run/postgresql
ENV PATH /usr/lib/postgresql/$PG_MAJOR/bin:$PATH
ENV PGDATA /var/lib/postgresql/data
RUN mkdir -p "$PGDATA" && chown -R postgres:postgres "$PGDATA" && chmod 777 "$PGDATA" # this 777 will be replaced by 700 at runtime (allows semi-arbitrary "--user" values)
VOLUME /var/lib/postgresql/data
COPY docker-entrypoint.sh /usr/local/bin/
RUN ln -s usr/local/bin/docker-entrypoint.sh / # backwards compat
ENTRYPOINT ["docker-entrypoint.sh"]
EXPOSE 5432
CMD ["postgres"]

145
10/alpine/docker-entrypoint.sh Executable file
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@ -0,0 +1,145 @@
#!/bin/bash
set -e
# usage: file_env VAR [DEFAULT]
# ie: file_env 'XYZ_DB_PASSWORD' 'example'
# (will allow for "$XYZ_DB_PASSWORD_FILE" to fill in the value of
# "$XYZ_DB_PASSWORD" from a file, especially for Docker's secrets feature)
file_env() {
local var="$1"
local fileVar="${var}_FILE"
local def="${2:-}"
if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
exit 1
fi
local val="$def"
if [ "${!var:-}" ]; then
val="${!var}"
elif [ "${!fileVar:-}" ]; then
val="$(< "${!fileVar}")"
fi
export "$var"="$val"
unset "$fileVar"
}
if [ "${1:0:1}" = '-' ]; then
set -- postgres "$@"
fi
# allow the container to be started with `--user`
if [ "$1" = 'postgres' ] && [ "$(id -u)" = '0' ]; then
mkdir -p "$PGDATA"
chown -R postgres "$PGDATA"
chmod 700 "$PGDATA"
mkdir -p /var/run/postgresql
chown -R postgres /var/run/postgresql
chmod 775 /var/run/postgresql
# Create the transaction log directory before initdb is run (below) so the directory is owned by the correct user
if [ "$POSTGRES_INITDB_XLOGDIR" ]; then
mkdir -p "$POSTGRES_INITDB_XLOGDIR"
chown -R postgres "$POSTGRES_INITDB_XLOGDIR"
chmod 700 "$POSTGRES_INITDB_XLOGDIR"
fi
exec su-exec postgres "$BASH_SOURCE" "$@"
fi
if [ "$1" = 'postgres' ]; then
mkdir -p "$PGDATA"
chown -R "$(id -u)" "$PGDATA" 2>/dev/null || :
chmod 700 "$PGDATA" 2>/dev/null || :
# look specifically for PG_VERSION, as it is expected in the DB dir
if [ ! -s "$PGDATA/PG_VERSION" ]; then
file_env 'POSTGRES_INITDB_ARGS'
if [ "$POSTGRES_INITDB_XLOGDIR" ]; then
export POSTGRES_INITDB_ARGS="$POSTGRES_INITDB_ARGS --xlogdir $POSTGRES_INITDB_XLOGDIR"
fi
eval "initdb --username=postgres $POSTGRES_INITDB_ARGS"
# check password first so we can output the warning before postgres
# messes it up
file_env 'POSTGRES_PASSWORD'
if [ "$POSTGRES_PASSWORD" ]; then
pass="PASSWORD '$POSTGRES_PASSWORD'"
authMethod=md5
else
# The - option suppresses leading tabs but *not* spaces. :)
cat >&2 <<-'EOWARN'
****************************************************
WARNING: No password has been set for the database.
This will allow anyone with access to the
Postgres port to access your database. In
Docker's default configuration, this is
effectively any other container on the same
system.
Use "-e POSTGRES_PASSWORD=password" to set
it in "docker run".
****************************************************
EOWARN
pass=
authMethod=trust
fi
{
echo
echo "host all all all $authMethod"
} >> "$PGDATA/pg_hba.conf"
# internal start of server in order to allow set-up using psql-client
# does not listen on external TCP/IP and waits until start finishes
PGUSER="${PGUSER:-postgres}" \
pg_ctl -D "$PGDATA" \
-o "-c listen_addresses='localhost'" \
-w start
file_env 'POSTGRES_USER' 'postgres'
file_env 'POSTGRES_DB' "$POSTGRES_USER"
psql=( psql -v ON_ERROR_STOP=1 )
if [ "$POSTGRES_DB" != 'postgres' ]; then
"${psql[@]}" --username postgres <<-EOSQL
CREATE DATABASE "$POSTGRES_DB" ;
EOSQL
echo
fi
if [ "$POSTGRES_USER" = 'postgres' ]; then
op='ALTER'
else
op='CREATE'
fi
"${psql[@]}" --username postgres <<-EOSQL
$op USER "$POSTGRES_USER" WITH SUPERUSER $pass ;
EOSQL
echo
psql+=( --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" )
echo
for f in /docker-entrypoint-initdb.d/*; do
case "$f" in
*.sh) echo "$0: running $f"; . "$f" ;;
*.sql) echo "$0: running $f"; "${psql[@]}" -f "$f"; echo ;;
*.sql.gz) echo "$0: running $f"; gunzip -c "$f" | "${psql[@]}"; echo ;;
*) echo "$0: ignoring $f" ;;
esac
echo
done
PGUSER="${PGUSER:-postgres}" \
pg_ctl -D "$PGDATA" -m fast -w stop
echo
echo 'PostgreSQL init process complete; ready for start up.'
echo
fi
fi
exec "$@"

145
10/docker-entrypoint.sh Executable file
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@ -0,0 +1,145 @@
#!/bin/bash
set -e
# usage: file_env VAR [DEFAULT]
# ie: file_env 'XYZ_DB_PASSWORD' 'example'
# (will allow for "$XYZ_DB_PASSWORD_FILE" to fill in the value of
# "$XYZ_DB_PASSWORD" from a file, especially for Docker's secrets feature)
file_env() {
local var="$1"
local fileVar="${var}_FILE"
local def="${2:-}"
if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
exit 1
fi
local val="$def"
if [ "${!var:-}" ]; then
val="${!var}"
elif [ "${!fileVar:-}" ]; then
val="$(< "${!fileVar}")"
fi
export "$var"="$val"
unset "$fileVar"
}
if [ "${1:0:1}" = '-' ]; then
set -- postgres "$@"
fi
# allow the container to be started with `--user`
if [ "$1" = 'postgres' ] && [ "$(id -u)" = '0' ]; then
mkdir -p "$PGDATA"
chown -R postgres "$PGDATA"
chmod 700 "$PGDATA"
mkdir -p /var/run/postgresql
chown -R postgres /var/run/postgresql
chmod 775 /var/run/postgresql
# Create the transaction log directory before initdb is run (below) so the directory is owned by the correct user
if [ "$POSTGRES_INITDB_XLOGDIR" ]; then
mkdir -p "$POSTGRES_INITDB_XLOGDIR"
chown -R postgres "$POSTGRES_INITDB_XLOGDIR"
chmod 700 "$POSTGRES_INITDB_XLOGDIR"
fi
exec gosu postgres "$BASH_SOURCE" "$@"
fi
if [ "$1" = 'postgres' ]; then
mkdir -p "$PGDATA"
chown -R "$(id -u)" "$PGDATA" 2>/dev/null || :
chmod 700 "$PGDATA" 2>/dev/null || :
# look specifically for PG_VERSION, as it is expected in the DB dir
if [ ! -s "$PGDATA/PG_VERSION" ]; then
file_env 'POSTGRES_INITDB_ARGS'
if [ "$POSTGRES_INITDB_XLOGDIR" ]; then
export POSTGRES_INITDB_ARGS="$POSTGRES_INITDB_ARGS --xlogdir $POSTGRES_INITDB_XLOGDIR"
fi
eval "initdb --username=postgres $POSTGRES_INITDB_ARGS"
# check password first so we can output the warning before postgres
# messes it up
file_env 'POSTGRES_PASSWORD'
if [ "$POSTGRES_PASSWORD" ]; then
pass="PASSWORD '$POSTGRES_PASSWORD'"
authMethod=md5
else
# The - option suppresses leading tabs but *not* spaces. :)
cat >&2 <<-'EOWARN'
****************************************************
WARNING: No password has been set for the database.
This will allow anyone with access to the
Postgres port to access your database. In
Docker's default configuration, this is
effectively any other container on the same
system.
Use "-e POSTGRES_PASSWORD=password" to set
it in "docker run".
****************************************************
EOWARN
pass=
authMethod=trust
fi
{
echo
echo "host all all all $authMethod"
} >> "$PGDATA/pg_hba.conf"
# internal start of server in order to allow set-up using psql-client
# does not listen on external TCP/IP and waits until start finishes
PGUSER="${PGUSER:-postgres}" \
pg_ctl -D "$PGDATA" \
-o "-c listen_addresses='localhost'" \
-w start
file_env 'POSTGRES_USER' 'postgres'
file_env 'POSTGRES_DB' "$POSTGRES_USER"
psql=( psql -v ON_ERROR_STOP=1 )
if [ "$POSTGRES_DB" != 'postgres' ]; then
"${psql[@]}" --username postgres <<-EOSQL
CREATE DATABASE "$POSTGRES_DB" ;
EOSQL
echo
fi
if [ "$POSTGRES_USER" = 'postgres' ]; then
op='ALTER'
else
op='CREATE'
fi
"${psql[@]}" --username postgres <<-EOSQL
$op USER "$POSTGRES_USER" WITH SUPERUSER $pass ;
EOSQL
echo
psql+=( --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" )
echo
for f in /docker-entrypoint-initdb.d/*; do
case "$f" in
*.sh) echo "$0: running $f"; . "$f" ;;
*.sql) echo "$0: running $f"; "${psql[@]}" -f "$f"; echo ;;
*.sql.gz) echo "$0: running $f"; gunzip -c "$f" | "${psql[@]}"; echo ;;
*) echo "$0: ignoring $f" ;;
esac
echo
done
PGUSER="${PGUSER:-postgres}" \
pg_ctl -D "$PGDATA" -m fast -w stop
echo
echo 'PostgreSQL init process complete; ready for start up.'
echo
fi
fi
exec "$@"

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@ -1,5 +1,5 @@
# vim:set ft=dockerfile:
FROM alpine:3.5
FROM alpine:%%ALPINE-VERSION%%
# alpine includes "postgres" user/group in base install
# /etc/passwd:22:postgres:x:70:70::/var/lib/postgresql:/bin/sh

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@ -1,5 +1,5 @@
# vim:set ft=dockerfile:
FROM debian:jessie
FROM debian:%%DEBIAN_SUITE%%
# explicitly set user/group IDs
RUN groupadd -r postgres --gid=999 && useradd -r -g postgres --uid=999 postgres

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@ -9,25 +9,51 @@ if [ ${#versions[@]} -eq 0 ]; then
fi
versions=( "${versions[@]%/}" )
packagesBase='http://apt.postgresql.org/pub/repos/apt/dists/jessie-pgdg'
mainList="$(curl -fsSL "$packagesBase/main/binary-amd64/Packages.bz2" | bunzip2)"
declare -A debianSuite=(
[9.2]='jessie'
[9.3]='jessie'
[9.4]='jessie'
[9.5]='jessie'
[9.6]='jessie'
[10]='stretch'
)
declare -A alpineVersion=(
[9.2]='3.5'
[9.3]='3.5'
[9.4]='3.5'
[9.5]='3.5'
[9.6]='3.5'
[10]='3.6'
)
# https://www.mirrorservice.org/sites/ftp.ossp.org/pkg/lib/uuid/?C=M;O=D
osspUuidVersion='1.6.2'
osspUuidHash='11a615225baa5f8bb686824423f50e4427acd3f70d394765bdff32801f0fd5b0'
lastSuite=
travisEnv=
for version in "${versions[@]}"; do
if [ "${debianSuite[$version]}" != "$lastSuite" ]; then
lastSuite="${debianSuite[$version]}"
packagesBase='http://apt.postgresql.org/pub/repos/apt/dists/'"${debianSuite[$version]}"'-pgdg'
mainList="$(curl -fsSL "$packagesBase/main/binary-amd64/Packages.bz2" | bunzip2)"
fi
versionList="$(echo "$mainList"; curl -fsSL "$packagesBase/$version/binary-amd64/Packages.bz2" | bunzip2)"
fullVersion="$(echo "$versionList" | awk -F ': ' '$1 == "Package" { pkg = $2 } $1 == "Version" && pkg == "postgresql-'"$version"'" { print $2; exit }' || true)"
(
set -x
cp docker-entrypoint.sh "$version/"
sed 's/%%PG_MAJOR%%/'"$version"'/g; s/%%PG_VERSION%%/'"$fullVersion"'/g' Dockerfile-debian.template > "$version/Dockerfile"
sed -e 's/%%PG_MAJOR%%/'"$version"'/g;' \
-e 's/%%PG_VERSION%%/'"$fullVersion"'/g' \
-e 's/%%DEBIAN_SUITE%%/'"${debianSuite[$version]}"'/g' \
Dockerfile-debian.template > "$version/Dockerfile"
)
# TODO figure out what to do with odd version numbers here, like release candidates
srcVersion="${fullVersion%%-*}"
# change "10~beta1" to "10beta1" for ftp urls
srcVersion="${srcVersion//\~/}"
srcSha256="$(curl -fsSL "https://ftp.postgresql.org/pub/source/v${srcVersion}/postgresql-${srcVersion}.tar.bz2.sha256" | cut -d' ' -f1)"
for variant in alpine; do
if [ ! -d "$version/$variant" ]; then
@ -40,6 +66,7 @@ for version in "${versions[@]}"; do
sed -e 's/%%PG_MAJOR%%/'"$version"'/g' \
-e 's/%%PG_VERSION%%/'"$srcVersion"'/g' \
-e 's/%%PG_SHA256%%/'"$srcSha256"'/g' \
-e 's/%%ALPINE-VERSION%%/'"${alpineVersion[$version]}"'/g' \
"Dockerfile-$variant.template" > "$version/$variant/Dockerfile"
# TODO remove all this when 9.2 and 9.3 are EOL (2017-10-01 and 2018-10-01 -- from http://www.postgresql.org/support/versioning/)