Added pgsql devcontainer

.devcontainer/pgsql/docker-compose.yaml

@@ -0,0 +1,51 @@
+version: '3.8'
+
+services:
+  app:
+    build:
+      context: .
+      dockerfile: Dockerfile
+
+    volumes:
+      - ../..:/workspaces:cached
+
+    # Overrides default command so things don't shut down after the process ends.
+    command: sleep infinity
+
+    # Runs app on the same network as the database container, allows "forwardPorts" in devcontainer.json function.
+    network_mode: service:pgadmin
+
+    # Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
+    # user: root
+
+    # Use "forwardPorts" in **devcontainer.json** to forward an app port locally.
+    # (Adding the "ports" property to this file will not forward from a Codespace.)
+
+  db:
+    image: postgres:14.3
+    restart: unless-stopped
+    volumes:
+      - postgres-data:/var/lib/postgresql/data
+    environment:
+      POSTGRES_PASSWORD: jellyfin
+      POSTGRES_USER: password
+      POSTGRES_DB: Jellyfin
+  pgadmin:
+    image: dpage/pgadmin4
+    restart: unless-stopped
+    volumes:
+      - ./pgadmin:/pgadmin
+      - pgadmin-data:/var/lib/pgadmin
+    environment:
+      - PGADMIN_DEFAULT_EMAIL=user@domain.com
+      - PGADMIN_DEFAULT_PASSWORD=SuperSecret
+      - PGADMIN_LISTEN_PORT=8081
+      - PGADMIN_SERVER_JSON_FILE=/pgadmin/servers.json
+      - PGADMIN_CONFIG_SERVER_MODE=False
+
+    # Add "forwardPorts": ["5432"] to **devcontainer.json** to forward PostgreSQL locally.
+    # (Adding the "ports" property to this file will not forward from a Codespace.)
+
+volumes:
+  postgres-data:
+  pgadmin-data: