Go 项目 Dockerfile 模板

Go.Dockerfile

FROM golang:alpine AS builder

# Set necessary environmet variables needed for our image
ENV GO111MODULE=on \
    CGO_ENABLED=0 \
    GOOS=linux \
    GOARCH=amd64 \
    GOPROXY=https://goproxy.cn

# Move to working directory /build
WORKDIR /build

# Copy and download dependency using go mod
COPY go.mod .
COPY go.sum .
RUN go mod download

# Copy the code into the container
COPY . .

# Build the application
RUN go build -o main .

# Move to /dist directory as the place for resulting binary folder
WORKDIR /dist

# Copy binary from build to main folder
RUN cp /build/main .

# Build a small image
FROM alpine
RUN apk update
RUN apk add tzdata
ENV ZONEINFO /usr/share/timezone
RUN cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
RUN echo "Asia/Shanghai" >  /etc/timezone
RUN date
COPY --from=builder /dist/main /
EXPOSE 8000 8080
# Command to run
ENTRYPOINT ["/main"]