Eliminate postgresql docker container

Initializing docker containers used to take 23-25s alone. α
Now Initializing postgresql (Setup database) takes 4-6s. β

α: https://github.com/nexB/vulnerablecode/runs/2623306124?check_suite_focus=true https://github.com/nexB/vulnerablecode/runs/2623290485?check_suite_focus=true https://github.com/nexB/vulnerablecode/runs/2594778880?check_suite_focus=true

β: https://github.com/Hritik14/vulnerablecode/runs/2631513782?check_suite_focus=true https://github.com/Hritik14/vulnerablecode/runs/2631540610?check_suite_focus=true  https://github.com/Hritik14/vulnerablecode/runs/2631552958?check_suite_focus=true

Signed-off-by: Hritik Vijay <[email protected]>

.github/workflows/main.yml

@@ -6,22 +6,6 @@ jobs:
   unit_tests:
     runs-on: ubuntu-latest
 
-    services:
-      # Label used to access the service container
-      postgres:
-        image: postgres
-        env:
-          POSTGRES_PASSWORD: vulnerablecode
-          POSTGRES_DB: vulnerablecode
-        # 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:
       - name: Check out repository code
         uses: actions/checkout@v2
@@ -31,18 +15,36 @@ jobs:
         with:
           python-version: 3.8
 
+            #      - name: Restore cache
+            #        uses: actions/cache@v2
+            #        with:
+            #          path: ~/.cache/pip
+            #          key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
+            #          restore-keys: |
+            #            ${{ runner.os }}-pip-
+
       - name: Install dependencies
         run: |
-          sudo apt install  python3-dev postgresql libpq-dev build-essential libxml2-dev libxslt1-dev 
+          sudo apt install  python3-dev postgresql libpq-dev build-essential libxml2-dev libxslt1-dev postgresql ncat
           python -m pip install --upgrade pip 
           pip install -r requirements.txt
     
+      - name: Setup database
+        env:
+          PGPASSWORD: vulnerablecode
+        run: |
+          sudo systemctl start postgresql
+          sudo -Eu postgres psql -c "CREATE ROLE vulnerablecode WITH PASSWORD '$PGPASSWORD' NOSUPERUSER CREATEDB NOCREATEROLE INHERIT LOGIN;"
+          sudo systemctl status postgresql
+          createdb --encoding=utf-8 --owner=vulnerablecode  --user=vulnerablecode \
+          --host=localhost --port=5432 vulnerablecode
+
       - name: Run tests
         run: python -m pytest -v -m "not webtest"
         env:
-          # The hostname, username used to communicate with the PostgreSQL service container
+          # The hostname, username used to communicate with Postgresql
           POSTGRES_HOST: localhost
-          VC_DB_USER: postgres
+          VC_DB_USER: vulnerablecode
           POSTGRES_PORT: 5432
           DJANGO_DEV: 1
           GH_TOKEN: 1