build(cd): migrate CD to GitHub

.github/workflows/cd.yml

@@ -0,0 +1,14 @@
+name: CD
+on:
+  push:
+    branches: [production, docs]
+
+jobs:
+  launch:
+    runs-on: ubuntu-latest
+    steps:
+      - run: |
+          curl -X POST -H "Accept: application/vnd.github+json" \
+            -H "Authorization: Bearer ${{ secrets.GH_PAT }}" \
+            https://api.github.com/repos/${{ secrets.BUILDER }}/dispatches \
+            -d '{"event_type":"deploy", "client_payload":{"branch": "${{ github.ref_name }}"}}'

.github/workflows/ci.yml

@@ -9,7 +9,6 @@ on:
     paths-ignore:
       - '.github/**'
       - '!.github/workflows/ci.yml'
-      - '.travis.yml'
       - '.gitignore'
       - 'README.md'
       - 'LICENSE'

.gitignore

@@ -3,7 +3,6 @@
 !.git*
 !.editorconfig
 !.nojekyll
-!.travis.yml
 !.husky
 !.commitlintrc.json
 !.versionrc.json

.travis.yml

@@ -1,51 +0,0 @@
-os: linux
-dist: bionic
-language: ruby
-rvm: 2.7.0
-
-addons:
-  apt:
-    packages:
-      - libcurl4-openssl-dev  # to avoid SSL error (for htmlproofer)
-
-# Overriding to drop the `--development` flag which requires the Gemfile.lock at build
-install: bundle install --jobs=3 --retry=3 --path=vendor/bundle
-
-before_script: git -C "$HOME" clone "$BUILDER_REPO" --depth=1 -q
-
-jobs:
-  include:
-    - stage: Upgrade
-      cache: bundler
-      git:
-        depth: false  # for posts' lastmod
-      script: eval "$BUILD_CMD"
-
-    - stage: Starter
-      language: minimal
-      install: true   # skip install step
-      script: eval "$FLUSH_STARTER"
-
-    - stage: Docs
-      cache: bundler
-      git:
-        depth: false  # for posts' lastmod
-      script: eval "$DOCS_CMD"
-
-stages:
-  - name: Upgrade
-    if: branch = production
-  - name: Starter
-    if: branch = production
-  - name: Docs
-    if: branch = docs
-
-notifications:
-  email:
-    recipients:
-      - secure: "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"
-    on_success: never
-
-env:
-  global:
-    - NOKOGIRI_USE_SYSTEM_LIBRARIES=true # speeds up installation of html-proofer

_posts/2019-08-09-getting-started.md

@@ -39,15 +39,13 @@ $ bash tools/init.sh
 
 The above command will:
 
-1. Removes some files or directories from your repository:
-    - `.travis.yml`{: .filepath}
-    - files under `_posts`{: .filepath}
+1. Remove the files in `_posts`{: .filepath} from your repository.
 
 2. If the option `--no-gh` is provided, the directory `.github`{: .filepath} will be deleted. Otherwise, set up the GitHub Action workflow by removing the extension `.hook`{: .filepath} of `.github/workflows/pages-deploy.yml.hook`{: .filepath}, and then remove the other files and directories in the folder `.github`{: .filepath}.
 
-3. Removes item `Gemfile.lock` from `.gitignore`{: .filepath}.
+3. Remove item `Gemfile.lock` from `.gitignore`{: .filepath}.
 
-4. Creates a new commit to save the changes automatically.
+4. Create a new commit to save the changes automatically.
 
 ### Installing Dependencies
 

tools/init.sh

@@ -66,7 +66,6 @@ init_files() {
   rm -f ".gitignore.$TEMP_SUFFIX"
 
   # remove the other fies
-  rm -f .travis.yml
   rm -rf _posts/*
 
   # save changes