48 lines
977 B
Docker
48 lines
977 B
Docker
FROM golang:1.22.5-alpine3.20 AS builder
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# Create appuser.
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ENV USER=appuser
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ENV UID=10001
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RUN adduser \
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--disabled-password \
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--gecos "" \
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--home "/nonexistent" \
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--shell "/sbin/nologin" \
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--no-create-home \
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--uid "${UID}" \
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"${USER}"
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WORKDIR $GOPATH/src/avatars/
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COPY . .
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# Fetch dependencies.
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RUN go mod download
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RUN go mod verify
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# Build the binary.
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RUN CGO_ENABLED=0 go build -ldflags="-w -s" -o /go/bin/avatars
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############################
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# STEP 2 build a small image
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############################
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FROM scratch
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# Import the user and group files from the builder.
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COPY --from=builder /etc/passwd /etc/passwd
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COPY --from=builder /etc/group /etc/group
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# Copy our static executable.
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COPY --from=builder /go/bin/avatars /go/bin/avatars
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# Set Work directory for relative paths of assets
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# WORKDIR /go/bin
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# Expose API Port
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EXPOSE 3382
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# Use an unprivileged user.
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USER appuser:appuser
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# Run the hello binary.
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ENTRYPOINT ["/go/bin/avatars"] |