Added drone build step for deploying docs

.drone1.yml

@@ -440,4 +440,61 @@ steps:
     when:
       status:
         - success
-        - failure
+        - failure
+
+---
+kind: pipeline
+name: deploy-docs
+
+workspace:
+  base: /srv/app
+  path: src/code.vikunja.io/api
+
+clone:
+  depth: 50
+
+trigger:
+  event:
+    - tag
+
+steps:
+  - name: build_css
+    image: webhippie/nodejs
+    pull: true
+    commands:
+      - cd docs/themes/vikunja
+      - npm install gulp-cli -g
+      - npm install
+      - gulp
+
+  - name: build
+    image: monachus/hugo
+    pull: true
+    commands:
+      - cd docs
+      - hugo
+
+  - name: docker
+    image: plugins/docker
+    pull: true
+    settings:
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password
+      repo: vikunja/docs
+      auto_tag: true
+      context: docs/
+
+#  - name: rancher
+#    image: peloton/drone-rancher
+#    settings:
+#      url: http://server01.kolaente.de:8080/v1
+#      access_key:
+#        from_secret: RANCHER_ACCESS_KEY
+#      secret_key:
+#        from_secret: RANCHER_SECRET_KEY
+#      service: vikunja/docs
+#      docker_image: vikunja/docs
+#      confirm: true
+#    depends_on: [ docker ]

docs/Dockerfile

@@ -0,0 +1,3 @@
+FROM nginx
+ADD public /usr/share/nginx/html
+ADD nginx.conf /etc/nginx/conf.d/default.conf

docs/nginx.conf

@@ -0,0 +1,17 @@
+server {
+    listen       80;
+    server_name  localhost;
+
+    charset utf-8;
+
+    location / {
+        root   /usr/share/nginx/html;
+        index  index.html index.htm;
+    }
+
+    error_page 404 /en/404.html;
+    error_page 500 502 503 504  /50x.html;
+    location = /50x.html {
+        root   /usr/share/nginx/html;
+    }
+}