Update Docker for using PostgreSQL 9.6 (#6154)

* Update PullPreviews Postgers Version to 9.6.3

* Adopt Dockerfile.public to Postgres version 9.6

* Fix other Postgres version number bumps for docker

* Docker: use ruby:2.4-stretch as base image

[ci skip]

Dockerfile

@@ -1,4 +1,4 @@
-FROM ruby:2.4
+FROM ruby:2.4-stretch
 
 ENV NODE_VERSION="7.7.2"
 ENV BUNDLER_VERSION="1.11.2"

Dockerfile.public

@@ -20,9 +20,9 @@ RUN apt-get update -qq && \
 
 RUN a2enmod proxy proxy_http && rm -f /etc/apache2/sites-enabled/000-default.conf
 
-RUN echo "host all  all    0.0.0.0/0  md5" >> /etc/postgresql/9.4/main/pg_hba.conf
-RUN echo "listen_addresses='*'" >> /etc/postgresql/9.4/main/postgresql.conf
-RUN rm -rf /var/lib/postgresql/9.4/main && mkdir -p /var/lib/postgresql/9.4/main && chown -R postgres:postgres /var/lib/postgresql/9.4
+RUN echo "host all  all    0.0.0.0/0  md5" >> /etc/postgresql/9.6/main/pg_hba.conf
+RUN echo "listen_addresses='*'" >> /etc/postgresql/9.6/main/postgresql.conf
+RUN rm -rf /var/lib/postgresql/9.6/main && mkdir -p /var/lib/postgresql/9.6/main && chown -R postgres:postgres /var/lib/postgresql/9.6
 RUN mkdir -p /var/db/openproject/{files,git,svn} && chown -R app:app /var/db/openproject
 
 COPY docker /usr/src/app/docker
@@ -32,6 +32,6 @@ COPY docker/supervisord.conf /etc/supervisor/conf.d/supervisord.conf
 EXPOSE 80 5432
 
 # volumes to export
-VOLUME ["/var/lib/postgresql/9.4/main", "/var/db/openproject"]
+VOLUME ["/var/lib/postgresql/9.6/main", "/var/db/openproject"]
 
-CMD ["/usr/src/app/docker/entrypoint"]
+CMD ["/usr/src/app/docker/entrypoint"]

docker-compose.pullpreview.yml

@@ -1,5 +1,5 @@
 db:
-  image: postgres:9.4.5
+  image: postgres:9.6.3
   environment:
     POSTGRES_USER: app
     POSTGRES_PASSWORD: p4ssw0rd

docker/entrypoint

@@ -3,10 +3,10 @@
 set -e
 set -o pipefail
 
-PGDATA=${PGDATA:=/var/lib/postgresql/9.4/main}
+PGDATA=${PGDATA:=/var/lib/postgresql/9.6/main}
 PGUSER=${PGUSER:=postgres}
 PGPASSWORD=${PGPASSWORD:=postgres}
-PGBIN="/usr/lib/postgresql/9.4/bin"
+PGBIN="/usr/lib/postgresql/9.6/bin"
 
 if [ ! -z "$ATTACHMENTS_STORAGE_PATH" ]; then
 	mkdir -p "$ATTACHMENTS_STORAGE_PATH"

docker/supervisord.conf

@@ -55,7 +55,7 @@ stdout_logfile = /var/log/supervisor/%(program_name)s-stdout.log
 [program:postgres]
 user=postgres
 priority=1
-command=/usr/lib/postgresql/9.4/bin/postgres -D /var/lib/postgresql/9.4/main -c config_file=/etc/postgresql/9.4/main/postgresql.conf
+command=/usr/lib/postgresql/9.6/bin/postgres -D /var/lib/postgresql/9.6/main -c config_file=/etc/postgresql/9.6/main/postgresql.conf
 autorestart=true
 stderr_logfile = /var/log/supervisor/%(program_name)s-stderr.log
 stdout_logfile = /var/log/supervisor/%(program_name)s-stdout.log

docs/operations/backup/docker/backup.md

@@ -10,10 +10,10 @@ with Docker:
     sudo mkdir -p /var/lib/openproject/{pgdata,logs,static}
 
     docker run -d -p 8080:80 --name openproject -e SECRET_KEY_BASE=secret \
-      -v /var/lib/openproject/pgdata:/var/lib/postgresql/9.4/main \
+      -v /var/lib/openproject/pgdata:/var/lib/postgresql/9.6/main \
       -v /var/lib/openproject/logs:/var/log/supervisor \
       -v /var/lib/openproject/static:/var/db/openproject \
-      openproject/community:5.0
+      openproject/community:7.0
 
 If you're using the same local directories than the above command, then you
 just need to backup your local `/var/lib/openproject` folder (for instance to