NoIssue: A lot of cleanup and generalizations

src/main/docker/Dockerfile_template

@@ -1,39 +1,42 @@
-FROM dockerreg.r35157.com/r35157/jre:24.0.1-4_amd64
+FROM dockerreg.r35157.com/r35157/jre:_JREVERSION__amd64
 
 LABEL maintainer="Minimons <minimons@r35157.com>"
 
 # Setup environment
-ENV NENJIMHUB_HOME=/usr/local/software/nenjimhub
+ENV APP_HOME=/usr/local/software/nenjimhub
 WORKDIR /usr/local/software
 USER root
-RUN mkdir nenjimhub-_VERSION_
-RUN ln -s nenjimhub-_VERSION_ nenjimhub
+
+RUN mkdir nenjimhub-_VERSION_ \
+    && ln -s nenjimhub-_VERSION_ nenjimhub
 WORKDIR nenjimhub
 RUN mkdir libs
 
 # These dirs are expected to be overshadowed by host mounts
-RUN mkdir conf logs in out archive
-
-# Install basic tools
-RUN apt-get update
-RUN apt-get install -y procps
+RUN mkdir conf logs
 
 # Set timezone
 ENV TZ=Europe/Copenhagen
+RUN apt-get update
 RUN apt-get install -y tzdata \
     && ln -snf /usr/share/zoneinfo/$TZ /etc/localtime \
     && echo $TZ > /etc/timezone \
     && dpkg-reconfigure -f noninteractive tzdata
 
 # Clean-up
-RUN apt-get autoremove \
+RUN apt-get autoremove -y \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
 
 # Install application and configuration (Do this as late as possible to be able to reuse layers between builds)
 COPY start.sh .
-COPY conf/* conf
-COPY libs/*.jar libs
+COPY conf/* conf/
+COPY libs/*.jar libs/
+
+RUN chmod 755 ./start.sh \
+    && chmod -R a+rX /usr/local/software/nenjimhub-_VERSION_
+
+USER user:user
 
 CMD ["./start.sh"]
 

src/main/docker/publish_template

@@ -1,18 +0,0 @@
-#!/bin/bash
-
-set -e
-
-NAME=nenjimhub
-VERSION=_VERSION__amd64
-
-VTAG=dockerreg.r35157.com/r35157/${NAME}:${VERSION}
-LTAG=dockerreg.r35157.com/r35157/${NAME}:latest
-
-docker tag r35157/${NAME}:${VERSION} ${VTAG}
-docker tag r35157/${NAME}:${VERSION} ${LTAG}
-
-echo "Publishing of '${VTAG}' and '${LTAG}'..."
-docker push ${VTAG}
-docker push ${LTAG}
-
-echo "Publishing completed!"

src/main/docker/publish_template.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+echo "Publishing '_HASHTAG_', '_VERSIONTAG_' and '_LATESTTAG_'..."
+docker push _HASHTAG_
+docker push _VERSIONTAG_
+docker push _LATESTTAG_
+
+echo "Publishing completed!"

src/main/docker/start.sh

@@ -1,6 +1,17 @@
 #!/usr/bin/env bash
+set -euo pipefail
 
-CLASSPATH=$(echo libs/*.jar | tr ' ' ':')
+shopt -s nullglob
 
-java -Dlog4j.configurationFile=conf/log4j2.xml -cp "$CLASSPATH" com.r35157.nenjim.hubd.impl.ref.Main
-sleep 100000
+jars=(libs/*.jar)
+if (( ${#jars[@]} == 0 )); then
+  echo "ERROR: No JARs found in libs/" >&2
+  exit 1
+fi
+
+CLASSPATH=$(IFS=:; echo "${jars[*]}")
+
+exec java \
+  -Dlog4j.configurationFile=/usr/local/software/nenjimhub/conf/log4j2.xml \
+  -cp "$CLASSPATH" \
+  com.r35157.nenjim.hubd.impl.ref.Main

src/main/java/com/r35157/nenjim/hubd/impl/ref/Main.java

@@ -5,17 +5,27 @@ import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
 public class Main {
-    static void main() throws Exception {
-        new Main();
+    static void main(String[] args) throws Exception {
+        try {
+            new Main(args).service();
+        } catch(Throwable t) {
+            log.error("Error initializing NenjimHub - " + t.getMessage());
+        }
     }
 
-    public Main() throws Exception {
+    public Main(String[] args) throws Exception {
+        hub = new NenjimHubImpl();
         log.info("Initializing NenjimHub...");
         log.info("Ready!");
-        nenjimHub.noop();
+
+        hub.noop();
         Thread.sleep(Long.MAX_VALUE);
     }
 
+    private void service() throws Exception {
+    }
+
     private static final Logger log = LogManager.getLogger(Main.class);
-    private static final NenjimHub nenjimHub = new NenjimHubImpl();
+
+    private final NenjimHub hub;
 }