feat: own Dockerfile with ocm cli (#4)

Author: reshnm

Dockerfile

@@ -0,0 +1,25 @@
+# Stage 1: Download and extract ocm binary
+FROM alpine AS downloader
+ARG TARGETOS
+ARG TARGETARCH
+RUN apk add --no-cache curl tar
+WORKDIR /tmp
+# renovate: datasource=github-releases depName=ocm packageName=open-component-model/ocm
+ARG OCM_VERSION=0.27.0
+RUN curl -L -o ocm.tar.gz https://github.com/open-component-model/ocm/releases/download/v$OCM_VERSION/ocm-$OCM_VERSION-$TARGETOS-$TARGETARCH.tar.gz \
+    && tar -xzf ocm.tar.gz
+
+# Use distroless as minimal base image to package the component binary
+# Refer to https://github.com/GoogleContainerTools/distroless for more details
+FROM gcr.io/distroless/static-debian12:nonroot@sha256:627d6c5a23ad24e6bdff827f16c7b60e0289029b0c79e9f7ccd54ae3279fb45f
+ARG TARGETOS
+ARG TARGETARCH
+ARG COMPONENT
+WORKDIR /
+COPY bin/$COMPONENT.$TARGETOS-$TARGETARCH /<component>
+# Copy ocm binary from downloader stage (adjust path if needed)
+COPY --from=downloader /tmp/ocm /usr/local/bin/ocm
+USER 65532:65532
+
+# docker doesn't substitue args in ENTRYPOINT, so we replace this during the build script
+ENTRYPOINT ["/<component>"]

Taskfile.yaml

@@ -14,3 +14,4 @@ includes:
       REPO_URL: 'https://github.com/openmcp-project/bootstrapper'
       GENERATE_DOCS_INDEX: "true"
       CHART_COMPONENTS: "[]"
+      DOCKERFILE: '{{.ROOT_DIR}}/Dockerfile'

renovate.json

@@ -36,5 +36,17 @@
       "minimumReleaseAge": "0 days",
       "enabled": true
     }
+  ],
+  "customManagers": [
+    {
+      "description": "All component dependencies and their versions used in the Dockerfile.",
+      "customType": "regex",
+      "managerFilePatterns": [
+        "/Dockerfile/"
+      ],
+      "matchStrings": [
+        "# renovate: datasource=(?<datasource>[a-z-.]+?) depName=(?<depName>[^\\s]+?)(?: (lookupName|packageName)=(?<packageName>[^\\s]+?))?(?: versioning=(?<versioning>[^\\s]+?))?(?: extractVersion=(?<extractVersion>[^\\s]+?))?(?: registryUrl=(?<registryUrl>[^\\s]+?))?\\s.+?(_version|_VERSION)=\"?(?<currentValue>.+?)\"?\\s"
+      ]
+    }
   ]
 }