[release-plz] Make base image rust:alpine

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

@@ -8,7 +8,7 @@ steps:
     image: plugins/kaniko
     settings:
       repo: jasterv/release-plz
-      tags: 0.3,latest
+      tags: 0.3.156,0.3,latest
       username:
         from_secret: DOCKERHUB_USERNAME
       password:

release-plz/base.Dockerfile

@@ -1,35 +1,16 @@
-FROM rust:alpine AS builder
+FROM rust:alpine
 
-# Install build dependencies for Rust crates
-RUN apk add --no-cache \
-    musl-dev \
-    gcc \
-    perl \
-    make \
-    openssl-dev \
-    pkgconfig
-
-# Install release-plz
-RUN cargo install release-plz --version 0.3.156
-
-# Final lightweight image
-FROM alpine:latest
-
-# Install runtime dependencies
-# curl: for the API calls in your script
-# git: for release-plz to commit/push
-# ca-certificates: so curl/git can verify HTTPS connections
+# Install system dependencies needed for git operations and the script
 RUN apk add --no-cache \
     git \
     curl \
     ca-certificates \
-    libgcc \
-    openssl
+    openssl-dev \
+    musl-dev \
+    gcc
 
-# Copy the binary from the builder stage
-COPY --from=builder /usr/local/cargo/bin/release-plz /usr/local/bin/release-plz
+# Download the pre-compiled release-plz binary (much faster than cargo install)
+RUN curl -fsSL https://github.com/release-plz/release-plz/releases/download/release-plz-v0.3.156/release-plz-x86_64-unknown-linux-musl.tar.gz | tar -xz -C /usr/local/bin
 
-# Verify installation
-RUN release-plz --version
-
-CMD ["release-plz", "--help"]
+# Verify tools are ready
+RUN cargo --version && release-plz --version