Postgres Support (#86)

Co-authored-by: Mahan Zendedel DH <[email protected]>

.github/workflows/pr-validation.yml

@@ -27,6 +27,26 @@ jobs:
     strategy:
       matrix:
         go-version: [ '1.22.x', '1.21.x', '1.20.x' ]
+
+    # Boot up a local, clean postgres instance for the postgres tests
+    services:
+      # Label used to access the service container
+      postgres:
+        # Docker Hub image
+        image: postgres:13.18
+        env:
+          POSTGRES_PASSWORD: postgres
+          POSTGRES_USER: postgres
+          POSTGRES_DB: postgres
+        # Set health checks to wait until postgres has started
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+        ports:
+          # Maps tcp port 5432 on service container to the host
+          - 5432:5432
 
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE
@@ -57,4 +77,6 @@ jobs:
         run: protoc --go_out=. --go-grpc_out=. -I ./submodules/durabletask-protobuf/protos orchestrator_service.proto
 
       - name: Run integration tests
+        env:
+          POSTGRES_ENABLED: "true"
         run: go test ./tests/... -coverpkg ./api,./task,./client,./backend/...,./internal/helpers

.gitignore

@@ -17,4 +17,6 @@
 
 # sqlite databases generated by testing
 *.sqlite3
-__debug_bin
+__debug_bin
+
+.idea/

backend/postgres/REAEDME.md

@@ -0,0 +1,3 @@
+# Postgres Backend
+### Testing
+By default, the postgres tests are skipped. To run the tests, set the environment variable `POSTGRES_ENABLED` to `true` before running the tests and have a postgres server running on `localhost:5432` with a database named `postgres` and a user `postgres` with password `postgres`.