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

# Make go mod works with private gilab
RUN git config --global http.sslVerify false
RUN git config --global \
    url."https://tonyhsu:PASSWORD_URLENCODED@gitlab.devops.maaii.com".insteadOf \
    "https://gitlab.devops.maaii.com"
RUN GIT_TERMINAL_PROMPT=1 go get  -v -insecure gitlab.devops.maaii.com/cloud-native/stagenamespace

# 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 webhooks/ webhooks/

# Build
RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on go build -a -o manager main.go

# Use distroless as minimal base image to package the manager binary
FROM gcr.io/distroless/static:nonroot
WORKDIR /
COPY --from=builder /workspace/manager .
USER nonroot:nonroot

ENTRYPOINT ["/manager"]