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Add java17 template
Signed-off-by: Alex Ellis (OpenFaaS Ltd) <[email protected]>
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‎README.md‎

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| python3-debian | Python | 3 | Debian Linux | classic | [Legacy Python 3 Debian template](https://github.com/openfaas/templates/tree/master/template/python3-debian)
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| python27 | Python | 2.7.18 | Alpine Linux | classic | [Python 2.7 template (deprecated)](https://github.com/openfaas/templates/tree/master/template/python27)
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| java11-vert-x | Java and [Vert.x](https://vertx.io/) | 11 | Debian GNU/Linux | of-watchdog | [Java LTS template](https://github.com/openfaas/templates/tree/master/template/java11-vert-x)
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| java11 | Java | 11 | Debian GNU/Linux | of-watchdog | [Java LTS template](https://github.com/openfaas/templates/tree/master/template/java11)
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| java11 | Java | 11 | Debian GNU/Linux | of-watchdog | [Deprecated Java template](https://github.com/openfaas/templates/tree/master/template/java11)
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| java17 | Java | 11 | Debian GNU/Linux | of-watchdog | [Java LTS template](https://github.com/openfaas/templates/tree/master/template/java17)
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| ruby | Ruby | 3.3 | Alpine Linux | classic| [Ruby template](https://github.com/openfaas/templates/tree/master/template/ruby)
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| php7 | PHP | 7.4 | Alpine Linux | classic | [PHP 7 template](https://github.com/openfaas/templates/tree/master/template/php7)
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| php8 | PHP | 8.2 | Alpine Linux | classic | [PHP 8 template](https://github.com/openfaas/templates/tree/master/template/php8)

‎template/java17/Dockerfile‎

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FROM openjdk:17-jdk-slim AS builder
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ENV GRADLE_VER=7.6.3
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RUN apt-get update -qqy \
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&& apt-get install -qqy \
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--no-install-recommends \
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curl \
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ca-certificates \
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unzip
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RUN mkdir -p /opt/ && cd /opt/ \
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&& echo "Downloading gradle.." \
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&& curl -sSfL "https://services.gradle.org/distributions/gradle-${GRADLE_VER}-bin.zip" -o gradle-$GRADLE_VER-bin.zip \
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&& unzip gradle-$GRADLE_VER-bin.zip -d /opt/ \
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&& rm gradle-$GRADLE_VER-bin.zip
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# Export some environment variables
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ENV GRADLE_HOME=/opt/gradle-$GRADLE_VER/
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ENV PATH=$PATH:$GRADLE_HOME/bin
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RUN mkdir -p /home/app/libs
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ENV GRADLE_OPTS="-Dorg.gradle.daemon=false"
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WORKDIR /home/app
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COPY . /home/app/
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RUN gradle build --debug
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RUN find .
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FROM ghcr.io/openfaas/of-watchdog:0.10.6 AS watchdog
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FROM openjdk:17-slim AS ship
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RUN apt-get update -qqy \
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&& apt-get install -qqy \
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--no-install-recommends \
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unzip
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RUN addgroup --system app \
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&& adduser --system --ingroup app app
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COPY --from=watchdog /fwatchdog /usr/bin/fwatchdog
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RUN chmod +x /usr/bin/fwatchdog
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WORKDIR /home/app
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COPY --from=builder /home/app/function/build/distributions/function-1.0.zip ./function-1.0.zip
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USER app
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RUN unzip ./function-1.0.zip
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WORKDIR /home/app/
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ENV upstream_url="http://127.0.0.1:8082"
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ENV mode="http"
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ENV CLASSPATH="/home/app/function-1.0/function-1.0.jar:/home/app/function-1.0/lib/*"
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ENV fprocess="java -XX:+UseContainerSupport com.openfaas.entrypoint.App"
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EXPOSE 8080
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HEALTHCHECK --interval=5s CMD [ -e /tmp/.lock ] || exit 1
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CMD ["fwatchdog"]

‎template/java17/README.md‎

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## Template: java24
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The Java11 template uses gradle as a build system.
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Gradle version: 5.5.1
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### Structure
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There are three projects which make up a single gradle build:
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- model - (Library) classes for parsing request/response
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- function - (Library) your function code as a developer, you will only ever see this folder
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- entrypoint - (App) HTTP server for re-using the JVM between requests
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### Handler
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The handler is written in the `./src/main/Handler.java` folder
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Tests are supported with junit via files in `./src/test`
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### External dependencies
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External dependencies can be specified in ./build.gradle in the normal way using jcenter, a local JAR or some other remote repository.
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‎template/java17/build.gradle‎

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allprojects {
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repositories {
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jcenter()
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}
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}
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subprojects {
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version = '1.0'
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}
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repositories {
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jcenter()
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flatDir {
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dirs 'libs'
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}
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}

‎template/java17/function/build.gradle‎

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plugins {
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id 'java-library'
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id 'distribution'
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id 'maven-publish'
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}
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dependencies {
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api 'org.apache.commons:commons-math3:3.6.1'
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implementation 'com.google.guava:guava:23.0'
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testImplementation 'junit:junit:4.12'
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implementation 'com.openfaas:model:0.1.1'
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implementation 'com.openfaas:entrypoint:0.1.0'
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}
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repositories {
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mavenCentral()
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flatDir {
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dirs '../libs'
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}
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}
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jar {
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manifest {
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attributes 'Implementation-Title': 'OpenFaaS Function',
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'Implementation-Version': '1.0'
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}
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}
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distributions {
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main {
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contents {
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from jar
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into('lib') {
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from(project.configurations.runtimeClasspath)
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}
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}
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}
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}
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// Configure publishing with the maven-publish plugin
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publishing {
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publications {
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mavenJava(MavenPublication) {
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from components.java
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artifact jar
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pom {
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name.set('OpenFaaS Function')
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description.set('An OpenFaaS function implementation.')
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url.set('https://www.openfaas.com/')
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licenses {
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license {
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name.set('MIT')
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url.set('https://opensource.org/licenses/MIT')
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}
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}
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developers {
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developer {
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id.set('openfaas')
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name.set('OpenFaaS Ltd')
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email.set('[email protected]')
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}
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}
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scm {
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connection.set('scm:git:https://github.com/openfaas/templates.git')
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developerConnection.set('scm:git:https://github.com/openfaas/templates.git')
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url.set('https://github.com/openfaas/templates')
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}
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}
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}
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}
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repositories {
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flatDir {
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dirs 'repos'
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}
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}
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}

‎template/java17/function/gradle/wrapper/gradle-wrapper.jar‎

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‎template/java17/function/gradle/wrapper/gradle-wrapper.properties‎

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distributionBase=GRADLE_USER_HOME
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distributionPath=wrapper/dists
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distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.3-bin.zip
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networkTimeout=10000
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zipStoreBase=GRADLE_USER_HOME
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zipStorePath=wrapper/dists

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