diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
new file mode 100644
index 000000000..9b1622cb8
--- /dev/null
+++ b/.github/workflows/ci.yaml
@@ -0,0 +1,53 @@
+name: Build and Test
+
+on:
+  pull_request:
+    branches:
+      - v4
+  push:
+    branches:
+      - v4
+
+jobs:
+  build-and-test:
+    if: ${{ github.repository == 'jackyzha0/quartz' }}
+    strategy:
+      matrix:
+        os: [windows-latest, macos-latest, ubuntu-latest]
+    runs-on: ${{ matrix.os }}
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Setup Node
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18
+
+      - name: Cache dependencies
+        uses: actions/cache@v3
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-node-
+
+      - run: npm ci
+
+      - name: Check types and style
+        run: npm run check
+
+      - name: Test
+        run: npm test
+
+      - name: Ensure Quartz builds, check bundle info
+        run: npx quartz build --bundleInfo
+
+      - name: Create release tag
+        uses: Klemensas/action-autotag@stable
+        with:
+          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+          tag_prefix: "v"
diff --git a/docs/features/private pages.md b/docs/features/private pages.md
index 5c3940bc7..638c628b6 100644
--- a/docs/features/private pages.md	
+++ b/docs/features/private pages.md	
@@ -12,9 +12,17 @@ There may be some notes you want to avoid publishing as a website. Quartz suppor
 
 If you'd like to only publish a select number of notes, you can instead use `Plugin.ExplicitPublish` which will filter out all notes except for any that have `publish: true` in the frontmatter.
 
+> [!warning]
+> Regardless of the filter plugin used, **all non-markdown files will be emitted and available publically in the final build.** This includes files such as images, voice recordings, PDFs, etc. One way to prevent this and still be able to embed local images is to create a folder specifically for public media and add the following two patterns to the ignorePatterns array.
+>
+> `"!(PublicMedia)**/!(*.md)", "!(*.md)"`
+
 ## `ignorePatterns`
 
-This is a field in `quartz.config.ts` under the main [[configuration]] which allows you to specify a list of patterns to effectively exclude from parsing all together. Any valid [glob](https://github.com/mrmlnc/fast-glob#pattern-syntax) pattern works here.
+This is a field in `quartz.config.ts` under the main [[configuration]] which allows you to specify a list of patterns to effectively exclude from parsing all together. Any valid [fast-glob](https://github.com/mrmlnc/fast-glob#pattern-syntax) pattern works here.
+
+> [!note]
+> Bash's glob syntax is slightly different from fast-glob's and using bash's syntax may lead to unexpected results.
 
 Common examples include:
 
diff --git a/docs/showcase.md b/docs/showcase.md
index 6814dd06d..3774fe3b6 100644
--- a/docs/showcase.md
+++ b/docs/showcase.md
@@ -9,7 +9,6 @@ Want to see what Quartz can do? Here are some cool community gardens:
 - [Brandon Boswell's Garden](https://brandonkboswell.com)
 - [Scaling Synthesis - A hypertext research notebook](https://scalingsynthesis.com/)
 - [AWAGMI Intern Notes](https://notes.awagmi.xyz/)
-- [Course notes for Information Technology Advanced Theory](https://a2itnotes.github.io/quartz/)
 - [Data Dictionary 🧠](https://glossary.airbyte.com/)
 - [sspaeti.com's Second Brain](https://brain.sspaeti.com/)
 - [oldwinter の数字花园](https://garden.oldwinter.top/)