fix: use pre-download package to avoid network error

Dockerfile

@@ -7,13 +7,21 @@ 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
+# 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
+
+# Copy the pre-downloaded helmfile tar.gz file to the image
+COPY helmfile.tar.gz /tmp/helmfile.tar.gz
+RUN mkdir -p /tmp/helmfile_extract \
+    && tar -xzf /tmp/helmfile.tar.gz -C /tmp/helmfile_extract \
+    && 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