Add Drone config

.drone.yml

@@ -0,0 +1,21 @@
+---
+kind: pipeline
+name: deploy to swarm.autonomic.zone
+steps:
+  - name: deployment
+    image: decentral1se/drone-stack:19.03.8
+    settings:
+      compose: compose.yml
+      host: tcp://swarm.autonomic.zone:2376
+      stack_name: nextcloud
+      tlsverify: true
+    environment:
+      PLUGIN_CACERT:
+        from_secret: docker_cacert
+      PLUGIN_CERT:
+        from_secret: docker_cert
+      PLUGIN_KEY:
+        from_secret: docker_key
+trigger:
+  branch:
+    - main

.envrc.sample

@@ -1,5 +1,7 @@
 export PASSWORD_STORE_DIR=$(pwd)/../../Infrastructure/infrastructure/credentials/password-store
 
 export DB_ROOT_PASSWD_VERSION=v1
+export DB_PASSWD_VERSION=v1
 export DOMAIN=nextcloud.swarm.autonomic.zone
 export STACK_NAME=nextcloud
+export LETS_ENCRYPT_ENV=production