NoIssue: Support for building runable docker container

.gitignore

@@ -3,3 +3,4 @@
 
 # Ignore Gradle build output directory
 build
+/logs/NenjimHub.log

build.gradle.kts

@@ -1,5 +1,6 @@
 plugins {
     id("java")
+    id("application")
     id("maven-publish")
 }
 
@@ -9,6 +10,10 @@ if (version == "UNSET" && gradle.startParameter.taskNames.any { it.startsWith("p
     throw GradleException("You must set -Pversion=... (use publish.sh / publishCICD.sh)")
 }
 
+application {
+    mainClass.set("com.r35157.nenjim.hubd.impl.ref.Main")
+}
+
 repositories {
     mavenLocal()
 
@@ -28,15 +33,36 @@ repositories {
 }
 
 dependencies {
-    implementation("org.jetbrains:annotations:26.0.1")
-    implementation("log4j:log4j:1.2.17")
-    implementation("com.r35157.nenjim:hubd-api:0.0.0")
+    implementation(platform("org.apache.logging.log4j:log4j-bom:2.25.2"))
+    implementation("org.apache.logging.log4j:log4j-api")
+    runtimeOnly("org.apache.logging.log4j:log4j-core")
+    compileOnly("org.jetbrains:annotations:26.0.2-1")
+
+    implementation("com.r35157.nenjim:hubd-api:0.0-dev")
+    implementation("org.apache.poi:poi-ooxml:5.5.1")
 }
 
 java {
     toolchain { languageVersion.set(JavaLanguageVersion.of(24)) }
 }
 
+val dockerLibsDir = layout.buildDirectory.dir("docker/libs")
+
+tasks.register<Sync>("prepareDockerLibs") {
+    group = "distribution"
+    description = "Copies all runtime dependencies (transitive) to build/docker/libs"
+
+    // Hvis du også vil bygge dit eget jar samtidig, så lad den stå – ellers kan du fjerne den.
+    dependsOn(tasks.named("jar"))
+
+    into(dockerLibsDir)
+
+    // Kun deps (transitivt)
+    from(configurations.runtimeClasspath)
+
+    duplicatesStrategy = DuplicatesStrategy.EXCLUDE
+}
+
 tasks.withType<JavaCompile> {
     options.release.set(24)
 }

build.sh

@@ -1,6 +1,30 @@
+#!/usr/bin/env bash
+set -xeuo pipefail
+
 export VERSION=$(git describe --tags --exact-match 2>/dev/null \
   || git symbolic-ref --short -q HEAD \
   || git rev-parse --short HEAD)
 
-echo "Building $VERSION..."
-./gradlew -Pversion=$VERSION jar
+GITHASH=$(git rev-parse --short=8 HEAD)
+
+export VERSION_LONG=${VERSION}_${GITHASH}
+
+# Build this artifact
+echo "Building 'NenjimHub v${VERSION_LONG}'..."
+./gradlew -Pversion=$VERSION jar prepareDockerLibs
+
+# Prepare container dependencies
+mkdir -p build/docker/conf
+cd build/docker
+sed -e 's/_VERSION_/'"${VERSION}"'/g' ../../src/main/docker/Dockerfile_template > Dockerfile
+cp ../../src/main/docker/start.sh start.sh
+cp ../libs/hubd-impl-ref-*.jar libs
+cp ../../conf/* conf
+
+# Build the container
+docker build -t r35157/nenjimhub:${VERSION}_amd64 .
+
+# Prepare publishing script
+docker tag r35157/nenjimhub:${VERSION}_amd64 r35157/nenjimhub:latest
+sed -e 's/_VERSION_/'"${VERSION}"'/g' ../../src/main/docker/publish_template > publish.sh
+chmod 755 publish.sh

clean.sh

@@ -1 +1,4 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
 ./gradlew clean ; rm -rf build

conf/log4j2.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Configuration status="WARN">
+  <Appenders>
+    <RollingFile name="File"
+                 fileName="logs/NenjimHub.log"
+                 filePattern="logs/NenjimHub-%d{yyyy-MM-dd}-%i.log.gz">
+      <PatternLayout pattern="%d{ISO8601} %-5p %c - %m%n"/>
+
+      <Policies>
+        <TimeBasedTriggeringPolicy interval="1" modulate="true"/>
+        <SizeBasedTriggeringPolicy size="50 MB"/>
+      </Policies>
+
+      <DefaultRolloverStrategy max="14"/>
+    </RollingFile>
+  </Appenders>
+
+  <Loggers>
+    <Root level="info">
+      <AppenderRef ref="File"/>
+    </Root>
+  </Loggers>
+</Configuration>

publish.sh

@@ -1,6 +1,12 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
 export VERSION=$(git describe --tags --exact-match 2>/dev/null \
   || git symbolic-ref --short -q HEAD \
   || git rev-parse --short HEAD)
 
-echo "Building and publishing $VERSION..."
+echo "Publishing artifact to local Maven repo ($VERSION)..."
 ./gradlew -Pversion=$VERSION publishToMavenLocal
+
+echo "Publishing docker container to public 'dockerreg.r35157.com' ($VERSION)..."
+./build/docker/publish.sh

publishCICD.sh

@@ -1,6 +1,12 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
 export VERSION=$(git describe --tags --exact-match 2>/dev/null \
   || git symbolic-ref --short -q HEAD \
   || git rev-parse --short HEAD)
 
-echo "Building and publishing (CI/CD) $VERSION..."
+echo "Publishing artifact ($VERSION)..."
 ./gradlew -Pversion=$VERSION publish
+
+echo "Publishing docker container ($VERSION)..."
+./build/docker/publish.sh

run.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+export LOG4J_CONFIGURATION_FILE="$PWD/conf/log4j2.xml"
+./gradlew run --args="foo bar baz"

src/main/docker/Dockerfile_template

@@ -0,0 +1,39 @@
+FROM dockerreg.r35157.com/r35157/jre:24.0.1-2_amd64
+
+LABEL maintainer="Minimons <minimons@r35157.com>"
+
+# Setup environment
+ENV NENJIMHUB_HOME=/usr/local/software/nenjimhub
+WORKDIR /usr/local/software
+USER root
+RUN mkdir nenjimhub-_VERSION_
+RUN 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
+
+# Set timezone
+ENV TZ=Europe/Copenhagen
+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 \
+    && 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
+
+CMD ["./start.sh"]
+

src/main/docker/publish_template

@@ -0,0 +1,18 @@
+#!/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/stack.yml

@@ -0,0 +1,22 @@
+version: '3.9'
+
+services:
+  nenjimhub:
+    hostname: nenjimhub
+    image: dockerreg.r35157.com/r35157/nenjimhub:latest
+    deploy:
+      replicas: 1
+      resources:
+        limits:
+          memory: 128m
+      restart_policy:
+        condition: any
+        delay: 5s
+        max_attempts: 3
+        window: 120s
+    volumes:
+      - /home/op/nenjimhub/conf:/usr/local/software/nenjimhub/conf
+      - /home/op/nenjimhub/logs:/usr/local/software/nenjimhub/logs
+      - /home/op/nenjimhub/in:/usr/local/software/nenjimhub/in
+      - /home/op/nenjimhub/out:/usr/local/software/nenjimhub/out
+      - /home/op/nenjimhub/archive:/usr/local/software/nenjimhub/archive

src/main/docker/start.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+
+CLASSPATH=$(echo libs/*.jar | tr ' ' ':')
+
+java -Dlog4j.configurationFile=conf/log4j2.xml -cp "$CLASSPATH" com.r35157.nenjim.hubd.impl.ref.Main
+sleep 100000

src/main/docker/up_stack

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+docker stack deploy --compose-file /home/op/stack.yml stack --detach=true

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

@@ -0,0 +1,18 @@
+package com.r35157.nenjim.hubd.impl.ref;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+public class Main {
+    public static void main(String[] args) throws Exception {
+        new Main();
+    }
+
+    public Main() throws Exception {
+        log.info("Initializing NenjimHub...");
+        log.info("Ready!");
+        Thread.sleep(Long.MAX_VALUE);
+    }
+
+    private static final Logger log = LogManager.getLogger(Main.class);
+}

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

@@ -1,13 +0,0 @@
-package com.r35157.nenjim.hubd.impl.ref;
-
-import com.r35157.nenjim.hubd.SomeInterface;
-
-public class SomeImpl implements SomeInterface {
-    public String concat(String x, String y) {
-        return x + y;
-    }
-
-    public void divideByZero() throws ArithmeticException {
-        int a = 0/0;
-    }
-}