Initial commit

backend/compose.yaml

@@ -0,0 +1,24 @@
+# Dev-only Postgres matching the default DATABASE_URL in internal/config.
+name: fullstack-backend
+
+services:
+  db:
+    image: postgres:18-alpine
+    environment:
+      POSTGRES_USER: fullstack
+      POSTGRES_PASSWORD: fullstack
+      POSTGRES_DB: fullstack
+    ports:
+      - "5432:5432"
+    volumes:
+      # postgres:18+ wants the mount at /var/lib/postgresql (not .../data)
+      # so in-place major upgrades via pg_upgrade remain possible.
+      - pgdata:/var/lib/postgresql
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U fullstack -d fullstack"]
+      interval: 2s
+      timeout: 2s
+      retries: 15
+
+volumes:
+  pgdata: