feat(jenkins) : add jenkinsfile for jenkins support

Jenkinsfile

@@ -0,0 +1,62 @@
+pipeline {
+    agent any
+
+    environment {
+        GITEA_REPO_PATH = "lucas/gitea"
+        GITEA_API_URL = "https://gitea.lucasroyer.fr/api/v1"
+    }
+
+    stages {
+        stage('Check git...') {
+            steps {
+                checkout scm
+            }
+        }
+        stage('Deploy') {
+            steps {
+                withCredentials([
+                    file(credentialsId: 'gitea-app-env', variable: 'APP_ENV_PATH'),
+                    file(credentialsId: 'gitea-db-env', variable: 'DB_ENV_PATH')
+                ]) {
+                    echo "Deploy new gitea..."
+                    sh """
+                        cp "\$APP_ENV_PATH" app.env
+                        cp "\$DB_ENV_PATH" db.env
+                        docker compose up -d --remove-orphans
+                        rm -f app.env db.env
+                    """
+                }
+            }
+        }
+    }
+
+    post {
+        always { 
+            script {
+                echo "Send Gitea check..."
+                // Get and store SHA
+                def commitSha = sh(script: 'git rev-parse HEAD', returnStdout: true).trim()
+                
+                // Convert from Jenkins to Gitea API
+                def buildState = currentBuild.currentResult == 'SUCCESS' ? 'success' : 'failure'
+                def buildDesc = currentBuild.currentResult == 'SUCCESS' ? 'Build successful' : 'Build failed'
+
+                // Send it to Gitea API with secret 'gitea-token'
+                withCredentials([string(credentialsId: 'gitea-token', variable: 'GITEA_TOKEN')]) {
+                    sh "curl -f -X POST ${GITEA_API_URL}/repos/${GITEA_REPO_PATH}/statuses/${commitSha} " +
+                    "-H 'Authorization: token \$GITEA_TOKEN' " +
+                    "-H 'Content-Type: application/json' " +
+                    "-d '{\"state\": \"${buildState}\", \"target_url\": \"${env.BUILD_URL}\", \"description\": \"${buildDesc}\", \"context\": \"jenkins-ci\"}'"
+                }
+            }
+            echo "Clean unused image..."
+            sh "docker image prune -f" 
+        }
+        success {
+            echo "Success !"
+        }
+        failure {
+            echo "Failed."
+        }
+    }
+}