[Do Not Merge] Spike dual run content store on postgresql

docker-compose.yml

@@ -118,6 +118,9 @@ services:
           - content-data-api.dev.gov.uk
           - content-data-admin.dev.gov.uk
           - content-store.dev.gov.uk
+          - content-store-on-mongodb.dev.gov.uk
+          - content-store-on-postgresql.dev.gov.uk
+          - content-store-proxy.dev.gov.uk
           - content-tagger.dev.gov.uk
           - draft-origin.dev.gov.uk
           - draft-router.dev.gov.uk

projects/content-store-on-postgresql/Makefile

@@ -0,0 +1,2 @@
+content-store-on-postgresql: bundle-content-store-on-postgresql router-api publishing-api
+	$(GOVUK_DOCKER) run $@-lite bin/rake db:prepare

projects/content-store-on-postgresql/docker-compose.yml

@@ -0,0 +1,42 @@
+version: '3.7'
+
+volumes:
+  content-store-on-postgresql-tmp:
+
+x-content-store-on-postgresql: &content-store-on-postgresql
+  build:
+    context: .
+    dockerfile: Dockerfile.govuk-base
+  image: content-store-on-postgresql
+  stdin_open: true
+  tty: true
+  volumes:
+    - ${GOVUK_ROOT_DIR:-~/govuk}:/govuk:delegated
+    - root-home:/root
+    - content-store-on-postgresql-tmp:/govuk/content-store-on-postgresql/tmp
+  working_dir: /govuk/content-store-on-postgresql
+
+services:
+  content-store-on-postgresql-lite:
+    <<: *content-store-on-postgresql
+    depends_on:
+      - postgres-13
+    environment:
+      TEST_DATABASE_URL: "postgresql://postgres@postgres-13/content-store-test"
+      DATABASE_URL: "postgresql://postgres@postgres-13/content-store"
+
+  content-store-on-postgresql-app: &content-store-on-postgresql-app
+    <<: *content-store-on-postgresql
+    depends_on:
+      - router-api-app
+      - nginx-proxy
+      - postgres-13
+    environment:
+      VIRTUAL_HOST: content-store-on-postgresql.dev.gov.uk
+      BINDING: 0.0.0.0
+      DATABASE_URL: "postgresql://postgres@postgres-13/content-store"
+      TEST_DATABASE_URL: "postgresql://postgres@postgres-13/content-store-test"
+
+    expose:
+      - "3000"
+    command: bin/rails s --restart

projects/content-store-proxy/Dockerfile

@@ -0,0 +1,14 @@
+# content-store-proxy is a very lightweight Sinatra app
+# with no database, and no cucumber/other end-to-end tests.
+# So it doesn't need many of the standard packages.
+
+# Install packages for building ruby
+FROM buildpack-deps
+
+
+# Install rbenv to manage ruby versions
+RUN git clone https://github.com/rbenv/rbenv.git /rbenv
+RUN git clone https://github.com/rbenv/ruby-build.git /rbenv/plugins/ruby-build
+RUN /rbenv/plugins/ruby-build/install.sh
+ENV PATH /root/.rbenv/shims:/rbenv/bin:$PATH
+ENV BUNDLE_SILENCE_ROOT_WARNING 1

projects/content-store-proxy/Makefile

@@ -0,0 +1 @@
+content-store-proxy: bundle-content-store-proxy content-store content-store-on-postgresql

projects/content-store-proxy/docker-compose.yml

@@ -0,0 +1,46 @@
+version: '3.7'
+
+volumes:
+  content-store-proxy-tmp:
+
+x-content-store-proxy: &content-store-proxy
+  build:
+    context: .
+    dockerfile: projects/content-store-proxy/Dockerfile
+  image: content-store-proxy
+  stdin_open: true
+  tty: true
+  volumes:
+    - ${GOVUK_ROOT_DIR:-~/govuk}:/govuk:delegated
+    - root-home:/root
+    - content-store-proxy-tmp:/govuk/content-store-proxy/tmp
+  working_dir: /govuk/content-store-proxy
+
+services:
+  content-store-proxy-lite:
+    <<: *content-store-proxy
+    depends_on:
+      - nginx-proxy
+    environment:
+      PRIMARY_UPSTREAM: http://content-store-on-mongodb.dev.gov.uk
+      SECONDARY_UPSTREAM: http://content-store-on-postgresql.dev.gov.uk
+
+  content-store-proxy-app: &content-store-proxy-app
+    <<: *content-store-proxy
+    command: bundle exec rackup config.ru -p 3000 -o 0.0.0.0 > /var/log/rackup.log
+    depends_on:
+      - content-store-app
+      - content-store-on-postgresql-app
+      - nginx-proxy
+    environment:
+      # the proxy pretends to be the real thing, so that we don't
+      # have to make either a) global changes to plek, or b) lots
+      # of changes to lots of things
+      VIRTUAL_HOST: content-store.dev.gov.uk
+      BINDING: 0.0.0.0
+      PRIMARY_UPSTREAM: http://content-store-on-mongodb.dev.gov.uk
+      SECONDARY_UPSTREAM: http://content-store-on-postgresql.dev.gov.uk
+    expose:
+      - "3000"
+
+

projects/content-store/docker-compose.yml

@@ -34,7 +34,7 @@ services:
       - nginx-proxy
     environment:
       MONGODB_URI: "mongodb://mongo-3.6/content-store"
-      VIRTUAL_HOST: content-store.dev.gov.uk
+      VIRTUAL_HOST: content-store-on-mongodb.dev.gov.uk
       BINDING: 0.0.0.0
     expose:
       - "3000"