feat: docker.

Dockerfile

@@ -0,0 +1,15 @@
+# 构建阶段
+FROM golang:1.23-alpine AS builder
+WORKDIR /app
+COPY go.mod go.sum ./
+RUN go mod download
+COPY . .
+RUN CGO_ENABLED=0 GOOS=linux go build -o main .
+
+# 运行阶段
+FROM alpine:latest
+WORKDIR /app
+COPY --from=builder /app/main .
+COPY config.yaml ./
+EXPOSE 8080
+CMD ["./main"]

docker-compose.yml

@@ -0,0 +1,33 @@
+version: '3.8'
+
+services:
+  app:
+    build: .
+    ports:
+      - "8080:8080"
+    depends_on:
+      db:
+        condition: service_healthy
+    environment:
+      - TZ=Asia/Shanghai
+    volumes:
+      - ./config.yaml:/app/config.yaml
+
+  db:
+    image: postgres:16-alpine
+    environment:
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: root
+      POSTGRES_DB: training_db
+    volumes:
+      - pgdata:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U postgres"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+    ports:
+      - "5432:5432"
+
+volumes:
+  pgdata: