Revert "remove drone, setup github actions, enable fly.io deploys"

This reverts commit 7ae35419fd.

.drone.yml

@@ -0,0 +1,91 @@
+kind: pipeline
+type: docker
+name: default
+trigger:
+  branch:
+    - main
+
+steps:
+  - name: restore-cache
+    image: drillster/drone-volume-cache
+    depends_on: [clone]
+    volumes:
+      - name: cache
+        path: /cache
+    settings:
+      restore: true
+      mount:
+        - ./.bundle
+
+  - name: build
+    image: ruby:2.7
+    depends_on: [restore-cache]
+    commands:
+      - export BUNDLE_PATH="./.bundle"
+      - make install
+      - make http
+      - make gopher
+
+  - name: rebuild-cache
+    image: drillster/drone-volume-cache
+    depends_on: [build]
+    volumes:
+      - name: cache
+        path: /cache
+    settings:
+      rebuild: true
+      mount:
+        - ./.bundle
+
+  - name: degrade-images
+    image: ruby:2.7
+    depends_on: [clone]
+    commands:
+      - make degrade
+
+  - name: save-degraded-images
+    image: ruby:2.7
+    depends_on: [degrade-images]
+    commands:
+      - |
+        git config --local user.email "drone@crlf.wtf"
+        git config --local user.name "drone[bot]"
+
+        git add ./http/assets/posts
+
+        if [ -z "$(git status --porcelain)" ]; then
+          echo "::set-output name=push::false"
+        else
+          git commit -m "[SKIP CI] degraded newly added images"
+          echo "::set-output name=push::true"
+          git push origin main
+        fi
+
+  - name: deploy
+    image: ruby:2.7
+    depends_on: [build, degrade-images]
+    commands:
+      - apt update
+      - apt install rsync -y
+      - eval `ssh-agent -s`
+      - echo "$RSYNC_KEY" | ssh-add -
+      - mkdir -p ~/.ssh
+      - echo "Host *\n\tStrictHostKeyChecking no\n\n" > ~/.ssh/config
+      - rsync -rvc /drone/src/_http/ $RSYNC_USER@$RSYNC_HOST:$RSYNC_HTTP_PATH
+      - rsync -rvc /drone/src/_gopher/ $RSYNC_USER@$RSYNC_HOST:$RSYNC_GOPHER_PATH
+    environment:
+      RSYNC_KEY:
+        from_secret: rsync_key
+      RSYNC_USER:
+        from_secret: rsync_user
+      RSYNC_HOST:
+        from_secret: rsync_host
+      RSYNC_HTTP_PATH:
+        from_secret: rsync_http_path
+      RSYNC_GOPHER_PATH:
+        from_secret: rsync_gopher_path
+
+volumes:
+  - name: cache
+    host:
+      path: /tmp/cache

.github/workflows/build-and-deploy.yml

@@ -11,8 +11,18 @@ jobs:
     name: build and deploy
     steps:
       - uses: actions/checkout@v2
-      - name: degrade images
-        run: make degrade
+      - name: degrade jpgs
+        shell: bash
+        run: |
+          cd ./http/assets/posts/
+
+          for f in *.jpg; do
+           if [ -f "${f%.jpg}-degraded.gif" ]; then
+              continue
+            fi
+
+            convert "${f}" -verbose -format GIF -interlace GIF -resize 640\> -colorspace gray -colors 4 -ordered-dither h8x8a -transparent white -set filename:f "%[t]-degraded" "%[filename:f].gif"
+          done
       - name: commit changes
         id: commit
         shell: bash