increase num open connections in ghwf

.github/workflows/go.yml

@@ -59,7 +59,6 @@ jobs:
           POSTGRES_DB: sac
         ports:
           - 5432:5432
-
     steps:
       - name: Checkout Repository
         uses: actions/checkout@v3
@@ -69,11 +68,15 @@ jobs:
           go-version: "1.21"
       - name: Install Dependencies
         run: cd backend && go get ./...
+      - name: Wait for PostgreSQL to become ready
+        run: until pg_isready -h 127.0.0.1 -p 5432 -U postgres; do sleep 1; done
       - name: Increase max_connections in PostgreSQL
         run: |
-          PG_CONFIG_FILE=$(psql -U postgres -c "SHOW config_file;" -tA)
+          PG_CONFIG_FILE=$(psql -h 127.0.0.1 -p 5432 -U postgres -c "SHOW config_file;" -tA)
           sudo sed -i "s/^#max_connections = 100/max_connections = 200/" $PG_CONFIG_FILE
           sudo systemctl reload postgresql
+        env:
+          PGPASSWORD: password
       - name: Migrate DB
         run: cd backend/src && go run main.go --only-migrate
       - name: Run Tests with Coverage