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base/postgres/9.6.7/Dockerfile

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+# vim:set ft=dockerfile:
+FROM alpine:3.5
+
+# 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 9.6
+ENV PG_VERSION 9.6.7
+ENV PG_SHA256 2ebe3df3c1d1eab78023bdc3ffa55a154aa84300416b075ef996598d78a624c6
+
+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 \
+# configure: error: prove not found
+		perl \
+# configure: error: Perl module IPC::Run is required to run TAP tests
+		perl-ipc-run \
+#		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 --format '%n#p' --recursive /usr/local \
+			| tr ',' '\n' \
+			| sort -u \
+			| awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \
+	)" \
+	&& apk add --no-cache --virtual .postgresql-rundeps \
+		$runDeps \
+		bash \
+		su-exec \
+# tzdata is optional, but only adds around 1Mb to image size and is recommended by Django documentation:
+# https://docs.djangoproject.com/en/1.10/ref/databases/#optimizing-postgresql-s-configuration
+		tzdata \
+	&& apk del .fetch-deps .build-deps \
+	&& cd / \
+	&& rm -rf \
+		/usr/src/postgresql \
+		/usr/local/share/doc \
+		/usr/local/share/man \
+	&& find /usr/local -name '*.a' -delete
+
+# make the sample config easier to munge (and "correct by default")
+RUN sed -ri "s!^#?(listen_addresses)\s*=\s*\S+.*!\1 = '*'!" /usr/local/share/postgresql/postgresql.conf.sample
+
+RUN mkdir -p /var/run/postgresql && chown -R postgres:postgres /var/run/postgresql && chmod 2777 /var/run/postgresql
+
+ENV PGDATA /var/lib/postgresql/data
+RUN mkdir -p "$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"]