Dockerfile

# Build the manager binary
FROM --platform=$BUILDPLATFORM golang:1.20.5 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
RUN GOPROXY=direct go mod download

# Copy the go source
COPY cmd/aws-application-networking-k8s/main.go main.go
COPY pkg/ pkg/
COPY scripts scripts

ARG TARGETOS
ARG TARGETARCH

# Build
RUN CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH go build -a -o manager main.go

# Use distroless as minimal base image to package the manager binary
# Refer to https://github.com/GoogleContainerTools/distroless for more details
FROM --platform=$TARGETPLATFORM gcr.io/distroless/static:nonroot
WORKDIR /
COPY --from=builder /workspace/manager .
USER 65532:65532

ENTRYPOINT ["/manager"]