Dockerfile

# Build the manager binary
FROM golang:1.13 as builder

WORKDIR /workspace
# Copy the Go Modules manifests
COPY go.mod go.mod
COPY go.sum go.sum
# cache deps before building and copying source so that we don't need to re-download as much
# and so that source changes don't invalidate our downloaded layer
RUN go mod download

# Copy the go source
COPY main.go main.go
COPY api/ api/
COPY controllers/ controllers/

# Build
ARG VERSION="(unknown)"
RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on go build -a -o manager -ldflags "-X=main.scribeVersion=${VERSION}" main.go

# Final container
FROM centos:8

# Needs openssh in order to generate ssh keys
RUN yum update -y && \
    yum install -y \
      openssh \
    && yum clean all && \
    rm -rf /var/cache/yum

WORKDIR /
COPY --from=builder /workspace/manager .

ENTRYPOINT ["/manager"]