feat: Rebase sidecar container image

Dockerfile

@@ -1,8 +1,27 @@
-FROM node:lts-slim AS build
+FROM alpine:latest AS download
 
-RUN npm install -g --omit=optional --omit=dev \
+ RUN apk --update add --no-cache \
+       curl \
+       jq && \
+     curl -L https://api.github.com/repos/helm/helm/releases/latest | \
+       jq -r '.tag_name' | \
+       xargs -I {} curl -L -o /tmp/helm.tar.gz https://get.helm.sh/helm-{}-linux-amd64.tar.gz && \
+     tar -xzf /tmp/helm.tar.gz --strip-components=1 -C /tmp
+
+FROM node:lts-slim
+
+COPY --from=download /tmp/helm /usr/bin/helm
+
+ENV LANG en_US.UTF-8
+ENV LANGUAGE en_US:en
+ENV LC_ALL en_US.UTF-8
+
+RUN apt-get update && apt-get upgrade -y && apt-get install -y --no-install-recommends \
+      jq \ &&
+    npm install -g --omit=optional --omit=dev \
       json-server && \
-    npm cache clean --force
+    npm cache clean --force && \
+    rm -rf /var/lib/apt/lists/*
 
 COPY init/entrypoint.sh /opt/entrypoint.sh
 

charts/json-server/values.yaml

@@ -14,9 +14,10 @@ jsonServer:
 
 sidecar:
   image:
-    repository: alpine/helm
+    repository: bv11-cr01.bessems.eu/library/json-server
     pullPolicy: IfNotPresent
-    tag: 3.12.1
+    # Overrides the image tag whose default is the chart appVersion.
+    tag: {{ image_tag }}
 
 replicaCount: 1