Merge pull request #238 from alebedev87/konflux-containerfile-operator

NE-2053: Add dedicated Containerfile for Konflux builds

Author: openshift-merge-bot[bot]

Containerfile.external-dns-operator

@@ -0,0 +1,38 @@
+# Detect the drift from the upstream Dockerfile
+FROM registry.access.redhat.com/ubi9/ubi-minimal:latest AS drift
+WORKDIR /app
+COPY drift-cache/Dockerfile Dockerfile.cached
+COPY Dockerfile .
+# If the command below fails it means that the Dockerfile from this repository changed.
+# You have to update the Konflux Containerfile accordingly.
+# drift-cache/Dockerfile can be updated with the upstream contents once the Konflux version is aligned.
+RUN [ "$(sha1sum Dockerfile.cached | cut -d' ' -f1)" = "$(sha1sum Dockerfile | cut -d' ' -f1)" ]
+
+
+FROM registry.access.redhat.com/ubi9/go-toolset:1.22 as builder
+# dummy copy to trigger the drift detection
+COPY --from=drift /app/Dockerfile.cached .
+WORKDIR /workspace
+# Dummy RUN to create /workspace directory.
+# WORKDIR doesn't create the directory (at least for Podman).
+# Without this step, the following COPY may create /workspace
+# as root-owned (instead of go-toolset's default 1001)
+# leading to "Permission denied" errors during "make build-operator"
+# when trying to write output.
+RUN ls .
+COPY . /workspace
+RUN git config --global --add safe.directory /workspace
+# Build
+RUN make build-operator
+
+FROM registry.redhat.io/rhel9-4-els/rhel:9.4-943.1729773477
+LABEL maintainer="Red Hat, Inc."
+LABEL com.redhat.component="external-dns-operator-container"
+LABEL name="external-dns-operator"
+LABEL version="1.3.0"
+WORKDIR /
+COPY --from=builder /workspace/bin/external-dns-operator /
+# Red Hat certified container images have licenses.
+COPY LICENSE /licenses/
+USER 65532:65532
+ENTRYPOINT ["/external-dns-operator"]

drift-cache/Dockerfile

@@ -0,0 +1,16 @@
+# Build the manager binary
+FROM golang:1.22 as builder
+
+WORKDIR /opt/app-root/src
+COPY . .
+
+# Build
+RUN make build-operator
+
+# Use minimal base image to package the manager binary
+FROM registry.access.redhat.com/ubi9/ubi-micro:latest
+WORKDIR /
+COPY --from=builder /opt/app-root/src/bin/external-dns-operator .
+
+ENTRYPOINT ["/external-dns-operator"]
+