Multi-platform Docker image

Run as non-root user

Dockerfile

@@ -1,16 +1,14 @@
-FROM adoptopenjdk/openjdk12:alpine-jre
+# syntax=docker/dockerfile:experimental
+FROM --platform=${TARGETPLATFORM:-linux/amd64} adoptopenjdk:12-jre-hotspot
 
-ARG BUILD_DATE
-ARG VCS_REF
-ARG VERSION
+ARG TARGETPLATFORM
+ARG BUILDPLATFORM
+RUN printf "I am running on ${BUILDPLATFORM:-linux/amd64}, building for ${TARGETPLATFORM:-linux/amd64}\n$(uname -a)\n"
 
 LABEL maintainer="CrazyMax" \
-  org.label-schema.build-date=$BUILD_DATE \
   org.label-schema.name="jetbrains-license-server" \
   org.label-schema.description="JetBrains License Server" \
-  org.label-schema.version=$VERSION \
   org.label-schema.url="https://github.com/crazy-max/docker-jetbrains-license-server" \
-  org.label-schema.vcs-ref=$VCS_REF \
   org.label-schema.vcs-url="https://github.com/crazy-max/docker-jetbrains-license-server" \
   org.label-schema.vendor="CrazyMax" \
   org.label-schema.schema-version="1.0"
@@ -20,25 +18,33 @@ ENV JLS_PATH="/opt/jetbrains-license-server" \
   JLS_SHA256="15cd436d41b1af8e273b8f8b037d654a9e9d9ca8a5f188e08426ca1024ba143a" \
   TZ="UTC"
 
-COPY entrypoint.sh /entrypoint.sh
-
-RUN apk --update --no-cache add \
-    tzdata \
-  && apk --update --no-cache add -t build-dependencies \
+RUN apt-get update \
+  && apt-get install -y \
+    bash \
     curl \
     zip \
-  && mkdir -p "$JLS_PATH" \
+    tzdata \
   && curl -L "https://download.jetbrains.com/lcsrv/license-server-installer.zip" -o "/tmp/jls.zip" \
   && echo "$JLS_SHA256  /tmp/jls.zip" | sha256sum -c - | grep OK \
   && unzip "/tmp/jls.zip" -d "$JLS_PATH" \
   && rm -f "/tmp/jls.zip" \
   && chmod a+x "$JLS_PATH/bin/license-server.sh" \
   && ln -sf "$JLS_PATH/bin/license-server.sh" "/usr/local/bin/license-server" \
+  && apt-get clean \
+  && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+
+COPY entrypoint.sh /entrypoint.sh
+
+RUN mkdir -p /data "$JLS_PATH" \
   && chmod a+x /entrypoint.sh \
-  && apk del build-dependencies \
-  && rm -rf /var/cache/apk/* /tmp/*
+  && groupadd -f -g 1000 jls \
+  && useradd -o -s /bin/bash -d /data -u 1000 -g 1000 -m jls \
+  && chown -R jls. /data "$JLS_PATH"
+
+USER jls
 
 EXPOSE 8000
+WORKDIR /data
 VOLUME [ "/data" ]
 
 ENTRYPOINT [ "/entrypoint.sh" ]

entrypoint.sh

@@ -8,8 +8,6 @@ JLS_ACCESS_CONFIG=${JLS_ACCESS_CONFIG:-/data/access-config.json}
 
 # Init
 echo "Initializing files and folders..."
-mkdir -p /data/registration
-ln -sf "/data/registration" "/root/.jb-license-server"
 touch "/data/access-config.json"
 
 # https://www.jetbrains.com/help/license_server/setting_host_and_port.html
@@ -18,7 +16,7 @@ license-server configure --listen ${JLS_LISTEN_ADDRESS} --port ${JLS_PORT} --con
 
 # https://www.jetbrains.com/help/license_server/setting_host_and_port.html
 if [ ! -z "$JLS_VIRTUAL_HOSTS" ] ; then
-  echo "Following virtual hosts will be used :"
+  echo "Following virtual hosts will be used:"
   for JLS_VIRTUAL_HOST in $(echo ${JLS_VIRTUAL_HOSTS} | tr "," "\n"); do
     echo "-> ${JLS_VIRTUAL_HOST}"
   done