Init

docker-compose.yml

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+version: '3.8'
+services:
+  db:
+    image: postgres:15-alpine
+    container_name: shortener-db
+    environment:
+      POSTGRES_DB: shortener
+      POSTGRES_USER: shortener
+      POSTGRES_PASSWORD: shortener123
+    ports:
+      - "5432:5432"
+    volumes:
+      - shortener-data:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U shortener"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+
+volumes:
+  shortener-data:
+