Store all helm data in /tmp/helm

Dockerfile

@@ -6,6 +6,12 @@ LABEL org.opencontainers.image.licenses="Apache License v2.0"
 # Set environment variables for non-interactive installation
 ENV DEBIAN_FRONTEND=noninteractive
 
+# Store all helm data in /tmp/helm
+ENV HOME=/tmp/helm
+ENV HELM_CACHE_HOME=/tmp/helm/cache
+ENV HELM_CONFIG_HOME=/tmp/helm/config
+ENV HELM_DATA_HOME=/tmp/helm/data
+
 # Install dependencies
 RUN apt-get update && apt-get install -y \
     wget \
@@ -21,6 +27,9 @@ RUN wget -qO - https://packages.adoptium.net/artifactory/api/gpg/key/public | gp
 # Update package list and install Temurin-17
 RUN apt-get update && apt-get install -y temurin-17-jre
 
+# Install helmfile dependencies (helm plugins, etc.)
+RUN helmfile init --force
+
 # Clean up
 RUN apt-get clean && rm -rf /var/lib/apt/lists/*