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Dockerfile
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Dockerfile
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FROM golang:alpine
# Set necessary environmet variables needed for our image
ENV GO111MODULE=on \
CGO_ENABLED=0 \
GOOS=linux \
GOARCH=amd64
# 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 -a -installsuffix cgo -ldflags="-w -s" -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 .
# Export necessary port
EXPOSE 9333
# Command to run when starting the container
CMD ["/dist/main"]