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docker-compose.yml

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+# Lokale Entwicklungsumgebung.
+#
+#   docker compose up -d db mailpit     nur Datenbank + Test-Postfach
+#   docker compose --profile app up -d  zusaetzlich die gebaute Anwendung
+#
+# Mailpit faengt alle Mails ab (Weboberflaeche http://localhost:8025):
+# MAIL_TRANSPORT=smtp, SMTP_HOST=localhost, SMTP_PORT=1025.
+# Ohne Docker: pnpm db:dev (eingebettetes PostgreSQL) + MAIL_TRANSPORT=file.
+services:
+  db:
+    image: postgres:18.1-alpine
+    environment:
+      POSTGRES_USER: artista
+      POSTGRES_PASSWORD: artista-dev
+      POSTGRES_DB: artista
+    ports:
+      - "127.0.0.1:5432:5432"
+    volumes:
+      - db-data:/var/lib/postgresql
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U artista"]
+      interval: 5s
+      retries: 10
+
+  mailpit:
+    image: axllent/mailpit:v1.27
+    ports:
+      - "127.0.0.1:8025:8025"
+      - "127.0.0.1:1025:1025"
+
+  migrate:
+    profiles: ["app"]
+    build: { context: ., target: tools }
+    environment:
+      DATABASE_URL: postgresql://artista:artista-dev@db:5432/artista
+    depends_on:
+      db: { condition: service_healthy }
+
+  app:
+    profiles: ["app"]
+    build: { context: ., target: runner }
+    env_file: .env
+    environment:
+      DATABASE_URL: postgresql://artista:artista-dev@db:5432/artista
+      SMTP_HOST: mailpit
+      SMTP_PORT: "1025"
+    ports:
+      - "127.0.0.1:3000:3000"
+    volumes:
+      - ./media:/app/media:ro
+    depends_on:
+      migrate: { condition: service_completed_successfully }
+
+volumes:
+  db-data: