[release-plz] Publish release-plz image

.woodpecker/publish-release-plz-image.yml

@@ -0,0 +1,16 @@
+when:
+  event: [push, manual]
+  branch: main
+  path: ["release-plz.Dockerfile"]
+
+steps:
+  publish:
+    image: plugins/kaniko
+    settings:
+      repo: jasterv/release-plz
+      tags: 0.3,latest
+      username:
+        from_secret: DOCKERHUB_USERNAME
+      password:
+        from_secret: DOCKERHUB_PASSWORD
+      dockerfile: release-plz.Dockerfile

release-plz.Dockerfile

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+FROM rust:alpine AS builder
+
+# Install build dependencies for Rust crates
+RUN apk add --no-cache musl-dev gcc
+
+# Install release-plz
+RUN cargo install release-plz --version 0.3.156
+
+# Final lightweight image
+FROM alpine:latest
+
+# Install runtime dependencies (git for repo access, curl for API calls)
+RUN apk add --no-cache git curl libgcc
+
+# Copy the binary from the builder stage
+COPY --from=builder /usr/local/cargo/bin/release-plz /usr/local/bin/release-plz
+
+# Verify installation
+RUN release-plz --version
+
+CMD ["release-plz", "--help"]