diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..6f62088
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,38 @@
+name: CI
+on: [push, pull_request]
+jobs:
+  build:
+    name: Build & test
+    runs-on: ubuntu-latest
+    container:
+      image: httptoolkit/act-build-base:v3.0.0
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Build a single-file Android script
+        run: |
+          mkdir -p ./build/
+
+          paste -sd'\n' ./config.js \
+            ./native-connect-hook.js \
+            ./android/android-proxy-override.js \
+            ./android/android-system-certificate-injection.js \
+            ./android/android-certificate-unpinning.js \
+            ./android/android-certificate-unpinning-fallback.js \
+            > ./build/android-frida-interception-script.js
+
+      - uses: actions/upload-artifact@v2
+        with:
+          name: app
+          path: ./build/android-frida-interception-script.js
+          if-no-files-found: error
+
+      - name: Publish the combined script to GitHub Releases
+        uses: svenstaro/upload-release-action@v2
+        if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
+        with:
+          asset_name: android-frida-interception-script.js
+          file: ./build/android-frida-interception-script.js
+          tag: ${{ github.ref }}
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
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diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..d163863
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+build/
\ No newline at end of file