build: docker compose (app + postgres) with healthchecks and .env

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01BwxdSt4reTm7Dj1oxRvpP3
2026-07-04 16:27:16 +07:00
parent 675136e488
commit 77ca0200ae
4 changed files with 153 additions and 0 deletions
@@ -0,0 +1,37 @@
+services:
+  postgres:
+    image: postgres:17-alpine
+    environment:
+      POSTGRES_USER: ${POSTGRES_USER:-dnsar}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:?set in .env}
+      POSTGRES_DB: ${POSTGRES_DB:-dnsar}
+    volumes:
+      - pgdata:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-dnsar} -d ${POSTGRES_DB:-dnsar}"]
+      interval: 5s
+      timeout: 3s
+      retries: 10
+    restart: unless-stopped
+
+  app:
+    build: .
+    depends_on:
+      postgres:
+        condition: service_healthy
+    environment:
+      DNS_AR_DB_DSN: postgres://${POSTGRES_USER:-dnsar}:${POSTGRES_PASSWORD}@postgres:5432/${POSTGRES_DB:-dnsar}?sslmode=disable
+      DNS_AR_ENC_KEY: ${DNS_AR_ENC_KEY:?base64 32 bytes, see .env.example}
+      DNS_AR_LISTEN: ":8080"
+    ports:
+      - "${APP_PORT:-8080}:8080"
+    healthcheck:
+      test: ["CMD", "/app", "-healthcheck"]
+      interval: 10s
+      timeout: 4s
+      retries: 5
+      start_period: 15s
+    restart: unless-stopped
+
+volumes:
+  pgdata: