-FROM docker.io/openjdk:8-jdk-alpine
+FROM adoptopenjdk/openjdk11:jre-11.0.9.1_1-alpine
ARG http_proxy
ARG https_proxy
ENV https_proxy=$HTTPS_PROXY
# Update the package list and upgrade installed packages
-RUN apk update && apk upgrade
+USER root
+RUN apk update
# Install commonly needed tools
RUN apk --no-cache add curl netcat-openbsd sudo nss
RUN chown -R so:so /app && chmod 700 /app/*.sh
+USER so
+
# Springboot configuration (required)
VOLUME /app/config