feat: add helmfile

Dockerfile

@@ -1,8 +1,19 @@
-FROM docker.io/alpine/k8s:1.30.4
+FROM harbor.merlin.xin/mirrors/docker.io/alpine/k8s:1.30.4
 
 ENV TZ=Asia/Shanghai \
     LANG=C.UTF-8 
 
-RUN apk add --no-cache nodejs git
+RUN apk add --no-cache nodejs git curl ca-certificates tar\
+    && update-ca-certificates || true
+
+# Install helmfile (adjust version as needed)
+RUN set -eux; \
+    curl -fsSL -o /tmp/helmfile.tar.gz "https://github.com/helmfile/helmfile/releases/download/v1.1.9/helmfile_1.1.9_linux_amd64.tar.gz"; \
+    mkdir -p /tmp/helmfile_extract; \
+    tar -xzf /tmp/helmfile.tar.gz -C /tmp/helmfile_extract; \
+    # find the helmfile binary and move it to /usr/local/bin
+    find /tmp/helmfile_extract -type f -name helmfile -exec mv {} /usr/local/bin/helmfile \; ; \
+    chmod +x /usr/local/bin/helmfile; \
+    rm -rf /tmp/helmfile.tar.gz /tmp/helmfile_extract
 
 WORKDIR /workspace