Merge branch 'feature/jenkins-ci' into 'develop'

Build and publish image with Jenkins

See merge request !8

Jenkinsfile

+pipeline {
+
+    agent {
+        dockerfile {
+            filename 'Dockerfile'
+            dir 'ci'
+            args '--privileged -v /var/run/docker.sock:/var/run/docker.sock'
+        }
+    }
+
+    triggers {
+        gitlab(
+            triggerOnPush: true, 
+            triggerOnMergeRequest: true, 
+            branchFilterType: 'All',
+            cancelPendingBuildsOnUpdate: false
+        )
+    }
+
+    options {
+      gitLabConnection('Gitlab MIM')
+      gitlabBuilds(builds: [])
+    }
+
+    parameters {
+        string(defaultValue: "develop", description: 'Branche "staging"', name: 'stagingBranch')
+        string(defaultValue: "master", description: 'Branche "stable"', name: 'stableBranch')
+    }
+
+    environment {
+        IMAGE_NAME = "zephir-server-manager"
+        IMAGE_COMMIT_TAG =  env.GIT_COMMIT.substring(0,8)
+    }
+
+    stages {
+
+        stage('Build image') {
+            steps {
+               gitlabStage(STAGE_NAME) {
+                    withDockerHubCredentials {
+                        sh """
+                            # Construction de l'image
+                            docker build -t '${DOCKER_USERNAME}/${IMAGE_NAME}' .
+
+                            # Ajout du tag de commit
+                            docker tag '${DOCKER_USERNAME}/${IMAGE_NAME}:latest' '${DOCKER_USERNAME}/${IMAGE_NAME}:${IMAGE_COMMIT_TAG}'
+                        """
+                    }
+                }
+            }
+        }
+
+        stage('Publish staging image') {
+            when {
+                branch params.stagingBranch
+            }
+            steps {
+                gitlabStage(STAGE_NAME) {
+                    addTagAndPublishDockerImage(
+                        env.IMAGE_COMMIT_TAG, 
+                        "staging-latest"
+                    )
+                }
+            }
+        }
+
+        stage('Publish stable image') {
+            when {
+                branch params.stableBranch
+            }
+            steps {
+                gitlabStage(STAGE_NAME) {
+                    addTagAndPublishDockerImage(
+                        env.IMAGE_COMMIT_TAG, 
+                        "stable-latest"
+                    )
+                }
+            }
+        }
+
+    }
+
+}
+
+
+def gitlabStage(String stageName, Closure fn) {
+    gitlabBuilds(builds: [stageName]) {
+        gitlabCommitStatus(stageName) {
+            fn()
+        }
+    }
+}
+
+def withDockerHubCredentials(Closure fn) {
+    withCredentials([
+        usernamePassword(credentialsId: 'dockerhub', usernameVariable: 'DOCKER_USERNAME', passwordVariable: 'DOCKER_PASSWORD')]
+    ){
+        fn()
+    }
+}
+
+def addTagAndPublishDockerImage(String originalTag, String newTag) {
+    withDockerHubCredentials {
+        sh """
+            # Ajout du nouveau tag
+            docker tag '${DOCKER_USERNAME}/${IMAGE_NAME}:${originalTag}' '${DOCKER_USERNAME}/${IMAGE_NAME}:${newTag}'
+
+            # Publication de l'image sur le DockerHub
+            echo "${DOCKER_PASSWORD}" | docker login --username '${DOCKER_USERNAME}' --password-stdin
+            docker push '${DOCKER_USERNAME}/${IMAGE_NAME}:${newTag}'
+            docker push '${DOCKER_USERNAME}/${IMAGE_NAME}:${originalTag}'
+            docker logout
+        """
+    }
+}
\ No newline at end of file

ci/Dockerfile

+FROM docker:stable