Add shared postgres (wip)

spliit/docker-compose.updated.yml

@@ -0,0 +1,24 @@
+services:
+  spliit:
+    image: ghcr.io/spliit-app/spliit:1.18.0
+    restart: always
+    ports:
+      - 3001:3000
+    depends_on:
+      shared-postgres:
+        condition: service_healthy
+    env_file:
+      - .env
+    environment:
+      TZ: ${TZ}
+      POSTGRES_HOST: shared-postgres
+      POSTGRES_PORT: 5432
+      POSTGRES_DB: ${SPLIIT_POSTGRES_DB}
+      POSTGRES_USER: ${SPLIIT_POSTGRES_USER}
+      POSTGRES_PASSWORD: ${SPLIIT_POSTGRES_PASSWORD}
+    networks:
+      - postgres-network
+
+networks:
+  postgres-network:
+    external: true