Add CI build/publish pipeline

ci/Containerfile

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+FROM alpine
+
+RUN useradd -u 3000018 -l -M -d / jenkins
+
+RUN apk update && \
+  apk add zola --repository http://dl-cdn.alpinelinux.org/alpine/edge/community/ && \
+  apk add \
+    openssh-client-default \
+    rsync \
+    && \
+  rm -rf /var/cache/apk/*

ci/Jenkinsfile

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+// vim: set ft=groovy sw=4 ts=4 sts=4 et :
+
+pipeline {
+    agent {
+        dockerfile {
+            dir 'ci'
+            filename 'Containerfile'
+        }
+    }
+
+    options {
+        disableConcurrentBuilds()
+    }
+
+    triggers {
+        pollSCM ''
+    }
+
+    stages {
+
+        stage('Build') {
+            steps {
+                sh '. ci/build.sh'
+            }
+        }
+
+        stage('Publish') {
+            steps {
+                sshagent(['jenkins-web']) {
+                    sh '. ci/publish.sh'
+                }
+            }
+        }
+
+    }
+}

ci/build.sh

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+zola build

ci/publish.sh

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+PUBLISH_HOST=web0.pyrocufflink.blue
+PUBLISH_USER=webapp.dchblog
+PUBLISH_PATH=htdocs/
+
+rsync -aP public/ ${PUBLISH_USER}@${PUBLISH_USER}:${PUBLISH_PATH}