Add missing services to build service configuration and add a test to catch this in the future (#326).

.drone.yml

@@ -8,16 +8,38 @@ services:
     environment:
       POSTGRES_PASSWORD: test
       POSTGRES_DB: test
+  - name: postgresql2
+    image: docker.io/postgres:13.1-alpine
+    environment:
+      POSTGRES_PASSWORD: test2
+      POSTGRES_DB: test
+      POSTGRES_USER: postgres2
+    commands:
+      - -p 5433
   - name: mysql
     image: docker.io/mariadb:10.5
     environment:
       MYSQL_ROOT_PASSWORD: test
       MYSQL_DATABASE: test
+  - name: mysql2
+    image: docker.io/mariadb:10.5
+    environment:
+      MYSQL_ROOT_PASSWORD: test2
+      MYSQL_DATABASE: test
+    commands:
+      - --port=3307
   - name: mongodb
     image: docker.io/mongo:5.0.5
     environment:
       MONGO_INITDB_ROOT_USERNAME: root
       MONGO_INITDB_ROOT_PASSWORD: test
+  - name: mongodb2
+    image: docker.io/mongo:5.0.5
+    environment:
+      MONGO_INITDB_ROOT_USERNAME: root2
+      MONGO_INITDB_ROOT_PASSWORD: test2
+    commands:
+      - --port=27018
 
 clone:
   skip_verify: true

tests/end-to-end/test_dev_parity_with_build_server.py

@@ -0,0 +1,22 @@
+import ruamel.yaml
+
+
+def test_dev_docker_compose_has_same_services_as_build_server_configuration():
+    yaml = ruamel.yaml.YAML(typ='safe')
+    dev_services = {
+        name: service
+        for name, service in yaml.load(open('tests/end-to-end/docker-compose.yaml').read())['services'].items()
+        if name != 'tests'
+    }
+    build_server_services = tuple(yaml.load_all(open('.drone.yml').read()))[0]['services']
+
+    assert len(dev_services) == len(build_server_services)
+
+    for build_service in build_server_services:
+        dev_service = dev_services[build_service['name']]
+        assert dev_service['image'] == build_service['image']
+        assert dev_service['environment'] == build_service['environment']
+
+        if 'command' in dev_service or 'commands' in build_service:
+            assert len(build_service['commands']) <= 1
+            assert dev_service['command'] == build_service['commands'][0]