Dockerfile

# Dockerfile for building coordinated into a container.
# setup.sh will prepare prerequisites in the current directory.

# Build image
FROM golang:1.19 AS builder

# Outside GOPATH to use go modules
WORKDIR /src

# Fetch dependencies first, less susceptible to change on every build
COPY ./go.mod ./go.sum ./
RUN go mod download

# Copy in code
COPY ./ ./

RUN CGO_ENABLED=0 go build -v -o /coordinated ./cmd/coordinated

# Application image
FROM scratch

ARG VERSION
ARG BUILD
ARG NOW

COPY --from=builder /coordinated /coordinated

# CBOR-RPC interface
EXPOSE 5932
# HTTP REST interface
EXPOSE 5980

ENTRYPOINT ["/coordinated"]

LABEL name="coordinated" \
      version="$VERSION" \
      build="$BUILD" \
      architecture="x86_64" \
      build_date="$NOW" \
      vendor="Diffeo, Inc." \
      maintainer="Diffeo Support <support@diffeo.com>" \
      url="https://github.com/diffeo/go-coordinate" \
      summary="Coordinate job queue daemon" \
      description="Coordinate job queue daemon" \
      vcs-type="git" \
      vcs-url="https://github.com/diffeo/go-coordinate" \
      vcs-ref="$VERSION" \
      distribution-scope="public"