ci(.drone.yml): use the container jsonnet template

.drone.yml

@@ -1,37 +1,8 @@
 # Drone CI File!
 
-kind: pipeline
-type: kubernetes
-name: default
-
-metadata:
-  namespace: builds
-
-node_selector:
-  doks.digitalocean.com/node-pool: josa-cloud-np
-
-steps:
-  - name: build
-    image: plugins/docker
-    settings:
-      repo: josaorg/safepass
-      build_args:
-        [
-          MATOMO_URL=https://track.josa.ngo/,
-          MATOMO_SITE_ID=15,
-        ]
-      tags:
-        - ${DRONE_COMMIT_SHA}
-        - stable
-      username:
-        from_secret: docker_username
-      password:
-        from_secret: docker_password
-  - name: notify
-    image: plugins/slack
-    settings:
-      webhook:
-        from_secret: slack_webhook
-      channel: heartbeat
-    depends_on:
-      - build
+kind: template
+load: container.jsonnet
+data:
+  repositoryName: josaorg/safepass
+  releaseName: safepass
+  buildArgs: MATOMO_URL=https://track.josa.ngo/, MATOMO_SITE_ID=15,