| # Start from the official Golang image | |
| FROM golang:1.23-alpine AS build | |
| # Set working directory | |
| WORKDIR /app | |
| # Copy go.mod and go.sum files first for better caching | |
| COPY go.mod go.sum* ./ | |
| # Download dependencies | |
| RUN go mod download | |
| # Copy the source code | |
| COPY . . | |
| # Build the application | |
| RUN CGO_ENABLED=0 GOOS=linux go build -o main ./main.go | |
| # Create a minimal production image | |
| FROM alpine:latest | |
| # Install timezone data and set timezone to Beijing | |
| RUN apk add --no-cache tzdata | |
| ENV TZ=Asia/Shanghai | |
| # Create app directory and set permissions | |
| WORKDIR /app | |
| COPY --from=build /app/main . | |
| # Command to run the executable | |
| CMD ["./main"] |