feat: 使用docker部署

backend/Dockerfile

@@ -0,0 +1,37 @@
+# Build stage
+FROM golang:1.25-alpine AS builder
+
+WORKDIR /app
+
+# Install build dependencies
+RUN apk add --no-cache git
+
+# Copy go mod and sum files
+COPY go.mod go.sum ./
+
+# Download all dependencies
+RUN go mod download
+
+# Copy the source code
+COPY . .
+
+# Build the application
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o main ./cmd/main.go
+
+# Final stage
+FROM alpine:latest
+
+WORKDIR /app
+
+# Install ca-certificates for HTTPS
+RUN apk --no-cache add ca-certificates tzdata
+
+# Copy binary from builder
+COPY --from=builder /app/main .
+COPY --from=builder /app/.env.example .
+
+# Expose port
+EXPOSE 8080
+
+# Command to run
+CMD ["./main"]

docker-compose.yml

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+services:
+  app:
+    container_name: gpt-manager
+    build: ./backend
+    ports:
+      - "${EXPOSE_PORT}:8080"
+    depends_on:
+      - db
+    env_file:
+      - .env
+    environment:
+      - PORT=${PORT}
+    restart: unless-stopped
+
+  db:
+    container_name: gpt-manager-db
+    image: postgres:16-alpine
+    restart: always
+    environment:
+      - POSTGRES_USER=${DB_USER}
+      - POSTGRES_PASSWORD=${DB_PASSWORD}
+      - POSTGRES_DB=${DB_NAME}
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+
+volumes:
+  postgres_data: