[CI] Added docker build step back

.drone.yml

@@ -5,6 +5,33 @@ type: 'kubernetes'
 
 steps:
 
+# build and publish
+- image: 'plugins/docker'
+  name: 'publish'
+  pull: 'always'
+  settings:
+
+    # registery and repos
+    registry: 'docker.io'
+    repo: 'rakepanorama/start-simoncor-net'
+    mtu: '1400'
+
+    # build stuff
+    dockerfile: 'Dockerfile.linux.amd64'
+    daemon_off: 'false'
+
+    # authentication
+    username:
+      from_secret: 'docker_username'
+    password:
+      from_secret: 'docker_password'
+
+    # tags
+    tags:
+    - 'v1.1'
+    - 'latest'
+
+
 # deploy to kubernetes
 - image: 'docker.io/bitnami/kubectl'
   name: 'deploy'