Add "mkdir ~postgres" with proper permissions

Author: tianon

9.2/alpine/Dockerfile

@@ -2,8 +2,16 @@
 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:
+#   /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
 

9.3/alpine/Dockerfile

@@ -2,8 +2,16 @@
 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:
+#   /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
 

9.4/alpine/Dockerfile

@@ -2,8 +2,16 @@
 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:
+#   /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
 

9.5/alpine/Dockerfile

@@ -2,8 +2,16 @@
 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:
+#   /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
 

9.6/alpine/Dockerfile

@@ -2,8 +2,16 @@
 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:
+#   /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
 

Dockerfile-alpine.template

@@ -2,8 +2,16 @@
 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:
+#   /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