Use Docker to start a Postgres service

Signed-off-by: tdruez <tdruez@nexb.com>

Author: tdruez

.github/workflows/run-unit-tests-macos.yml

@@ -13,7 +13,7 @@ env:
   POSTGRES_PASSWORD: scancodeio
 
 jobs:
-  macos-test:
+  run-unit-tests:
     runs-on: macos-13
 
     strategy:
@@ -29,13 +29,13 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
 
-      - name: Install dependencies with Homebrew
+      - name: Start Postgres container
         run: |
-          brew update
-          brew install universal-ctags gettext postgresql
-          brew services start postgresql
-          sleep 5
-          createdb $POSTGRES_DB || echo "Database may already exist"
+          docker run -d --name test-postgres -e POSTGRES_USER=scancodeio -e POSTGRES_PASSWORD=scancodeio -e POSTGRES_DB=scancodeio -p 5432:5432 postgres:13
+
+      - name: Wait for Postgres to be ready
+        run: |
+          until pg_isready -h localhost -p 5432; do sleep 1; done
 
       - name: Install Python dependencies
         run: make dev envfile