Merge pull request 'new file: Dockerfile' (#1) from 3.11.3 into master

Reviewed-on: #1

Dockerfile

@@ -0,0 +1,31 @@
+# Base on latest (edge) alpine image
+FROM harbor.ervine.dev/library/x86_64/alpine/alpine-3.11
+
+MAINTAINER “Jonathan Ervine” <docker@ervine.org>
+
+# Install updates
+ENV LANG='en_US.UTF-8' \
+    LANGUAGE='en_US.UTF-8' \
+    TERM='xterm' \
+    ZNC_USER='znc' \
+    ZNC_GROUP='znc' \
+    ZNC_UID='1003' \
+    ZNC_GID='1003'
+
+RUN echo http://dl-4.alpinelinux.org/alpine/edge/testing >> /etc/apk/repositories && \
+  apk update && \
+  apk -U upgrade && \
+  apk -U add \
+    znc 
+
+ADD UTC /etc/localtime
+
+RUN rm -rf /var/cache/apk/* 
+
+EXPOSE 6667 8080
+
+VOLUME /config
+
+USER $ZNC_USER
+
+CMD [ "/usr/bin/znc", "-d", "/config/", "-f" ]

Jenkinsfile

@@ -0,0 +1,17 @@
+node("docker-node") {
+    docker.withRegistry('https://harbor.ervine.dev', 'jenkins-to-harbor') {
+    
+        git branch: '3.11.3', url: "ssh://git@git.ervine.org:2222/jonny/x86_64-alpine-znc", credentialsId: 'jenkins-to-git'
+    
+        sh "git rev-parse HEAD > .git/commit-id"
+        def commit_id = readFile('.git/commit-id').trim()
+        println commit_id
+    
+        stage "build"
+        def app = docker.build "library/x86_64/alpine/znc"
+    
+        stage "publish"
+        app.push("${env.BUILD_NUMBER}")
+        app.push("latest")
+    }
+}