Add drone and dockerfile

Dockerfile

@@ -0,0 +1,4 @@
+FROM klakegg/hugo:alpine-onbuild AS hugo
+
+FROM nginx:alpine
+COPY --from=hugo /onbuild /usr/share/nginx/html

drone.yaml

@@ -0,0 +1,25 @@
+---
+kind: pipeline
+type: docker
+name: default
+
+trigger:
+  event:
+    - tag
+
+steps:
+  - name: build-hugo-website
+    image: hugomods/hugo:latest
+    settings:
+      registry: h3m6q87t.gra7.container-registry.ovh.net
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password
+      dockerfile: ./Dockerfile
+      context: ./
+      repo: h3m6q87t.gra7.container-registry.ovh.net/chill-website
+      tag: ${DRONE_TAG:=latest}
+      pull_image: true
+
+---