Build docker image and push it to registry

Jenkinsfile

@@ -8,6 +8,10 @@ pipeline {
     environment {
         GITEA_CREDS = credentials('AMARILLO-JENKINS-GITEA-USER')
         TWINE_REPO_URL = "https://git.gerhardt.io/api/packages/amarillo/pypi"
+        REGISTRY_URL = 'git.gerhardt.io'
+        OWNER = 'amarillo'
+        IMAGE_NAME = "amarillo"
+        TAG = 'latest'
     }
     stages {
         stage('Create virtual environment') {
@@ -31,7 +35,7 @@ pipeline {
                 echo 'Testing'
             }
         }
-        stage('Build') {
+        stage('Build package') {
             steps {
                 echo 'Building package'
                 sh 'python -m build'
@@ -42,6 +46,20 @@ pipeline {
                 sh 'python -m twine upload --skip-existing --verbose --repository-url $TWINE_REPO_URL --username $GITEA_CREDS_USR --password $GITEA_CREDS_PSW ./dist/*'              
             }
         }
+        stage('Build docker image') {
+            steps {
+                echo 'Building image'
+                docker.build("${OWNER}/${IMAGE_NAME}:${TAG}")
+            }
+        }
+        stage('Push image to container registry') {
+            steps {
+                echo 'Pushing image to registry'
+                docker.withRegistry(REGISTRY_URL, GITEA_CREDS){
+                    docker.image("${OWNER}/${IMAGE_NAME}:${TAG}").push()
+                }
+            }
+        }
     }
     post {
         always {