bill-server-go/Dockerfile

# Get Go image from DockerHub.
FROM golang:1.20 AS api

# Set working directory.
WORKDIR /compiler

# Env GOPROY
ENV GOPROXY="https://proxy.golang.com.cn,direct"

# Copy dependency locks so we can cache.
COPY go.mod go.sum ./

# Get all of our dependencies.
RUN go mod download

# Copy all of our remaining application.
COPY . .

# Build our application.
RUN #CGO_ENABLED=0 GOOS=linux go build -o bill-server ./cmd/bill-server/main.go
RUN go build  -a -ldflags "-linkmode external -extldflags '-static' -s -w" -o bill-server ./cmd/bill-server/main.go



# Use 'scratch' image for super-mini build.
FROM scratch AS prod

# Set working directory for this stage.
WORKDIR /production

# Copy our compiled executable from the last stage.
COPY --from=api /compiler/bill-server .

# Run application and expose port 8080.
EXPOSE 8080
CMD ["./bill-server"]