31 lines
816 B
Docker
31 lines
816 B
Docker
# Use the official Golang image to create a build environment.
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FROM golang:1.21-alpine AS builder
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# Set the working directory inside the container.
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WORKDIR /app
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# Copy go mod and sum files.
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COPY go.mod go.sum ./
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# Download all dependencies. Dependencies will be cached if the go.mod and go.sum files are not changed.
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RUN go mod download
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# Copy the source code into the container's workspace.
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COPY . .
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# Build the command inside the container.
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# Compile the binary statically, including all dependencies.
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RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o myapp .
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# Use a Docker multi-stage build to create a lean production image.
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FROM alpine:latest
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WORKDIR /root/
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# Copy the binary to the production image from the builder stage.
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COPY --from=builder /app/myapp .
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EXPOSE 5000
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CMD ["./myapp"]
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