drone: switch to alpine with downloaded hugo

.drone.yml

@@ -1,11 +1,9 @@
 pipeline:
   build-draft:
-    image: cbrgm/drone-hugo:latest
-    hugoVersion: 0.52
-    validate: true
-    buildDrafts: true
-    buildExpired: true
-    buildFuture: true
+    image: alpine
+    commands:
+      - wget https://github.com/gohugoio/hugo/releases/download/v0.52/hugo_0.52_Linux-64bit.tar.gz -q -O - | tar -xz
+      - ./hugo -D -E -F --theme geeklab
     theme: geeklab
     when:
       branch: draft
@@ -14,8 +12,8 @@ pipeline:
   build-prod:
     image: alpine
     commands:
-      - wget https://github.com/gohugoio/hugo/releases/download/v0.52/hugo_0.52_Linux-64bit.tar.gz -O - | tar -xz
-      - ./hugo version
+      - wget https://github.com/gohugoio/hugo/releases/download/v0.52/hugo_0.52_Linux-64bit.tar.gz -q -O - | tar -xz
+      - ./hugo -F --theme geeklab
     when:
       branch: master
       event: push