ci: Add POSTGRES_HOST variable and debug step

This commit updates the `ci.yml` workflow to explicitly set the `POSTGRES_HOST` environment variable to `db`. This ensures the web service can reliably connect to the PostgreSQL container.

Additionally, a new step has been added to `cat` the `.env` file, providing better visibility into the environment configuration for debugging purposes.

Author: RandomProgramm3r

.github/workflows/ci.yml

@@ -48,11 +48,13 @@ jobs:
           echo "POSTGRES_DATABASE=${{ secrets.POSTGRES_DB }}" >> .env #
           echo "POSTGRES_USERNAME=${{ secrets.POSTGRES_USER }}" >> .env #
           echo "POSTGRES_PASSWORD=${{ secrets.POSTGRES_PASSWORD }}" >> .env
-
+          echo "POSTGRES_HOST=db" >> .env
+          
           echo "ANTIFRAUD_INTERNAL_PORT=8081" >> .env
           echo "ANTIFRAUD_EXTERNAL_PORT=8081" >> .env
           echo "ANTIFRAUD_CACHE_MS=1000" >> .env
-
+      - name: Debug .env file
+        run: cat .env
 
       - name: Build and run Docker containers
         run: docker compose up -d --build