some unfinished and untested work over helm mirror

Dockerfile.helm

@@ -0,0 +1,38 @@
+FROM alpine:3
+
+# variable "VERSION" must be passed as docker environment variables during the image build
+# docker build --no-cache --build-arg VERSION=2.12.0 -t alpine/helm:2.12.0 .
+
+RUN apk update && apk upgrade && apk add bash tar gzip
+
+ARG VERSION
+
+# ENV BASE_URL="https://storage.googleapis.com/kubernetes-helm"
+ENV BASE_URL="https://get.helm.sh"
+
+RUN case `uname -m` in \
+        x86_64) ARCH=amd64; ;; \
+        armv7l) ARCH=arm; ;; \
+        aarch64) ARCH=arm64; ;; \
+        ppc64le) ARCH=ppc64le; ;; \
+        s390x) ARCH=s390x; ;; \
+        *) echo "un-supported arch, exit ..."; exit 1; ;; \
+    esac && \
+    apk add --update --no-cache wget git curl && \
+    wget ${BASE_URL}/helm-v2.17.0-linux-${ARCH}.tar.gz -O - | tar -xz && \
+    mv linux-${ARCH}/helm /usr/bin/helm && \
+    chmod +x /usr/bin/helm && \
+    rm -rf linux-${ARCH}
+
+RUN chmod +x /usr/bin/helm
+RUN helm init --client-only
+RUN find / -name 'install-binary.sh'
+#RUN helm plugin install --debug https://github.com/openSUSE/helm-mirror #--version master
+
+WORKDIR /apps
+
+COPY config/helm/entrypoint.sh /opt/entrypoint.sh
+
+VOLUME ["/data/"]
+ENTRYPOINT ["/opt/entrypoint.sh"]
+# CMD ["--help"]