test: docker-compose file to run postgres as Github Actions does

Author: danni

.github/workflows/tox.yml

@@ -14,14 +14,19 @@ jobs:
     services:
       postgres:
         image: postgres
+
         env:
           POSTGRES_PASSWORD: postgres
+
         options: >-
             --health-cmd pg_isready
             --health-interval 10s
             --health-timeout 5s
             --health-retries 5
 
+        ports:
+          - 5432:5432
+
     steps:
     - uses: actions/checkout@v3
     - uses: actions/setup-python@v4

docker-compose.yml

@@ -0,0 +1,19 @@
+# Docker compose file to help with testing.
+#
+# Run:
+#   docker-compose up
+#   tox
+#
+# This setup is replicated in the Github Action
+
+version: "3.4"
+
+services:
+  database:
+    image: postgres
+
+    environment:
+      POSTGRES_PASSWORD: postgres
+
+    ports:
+      - "5432:5432"