Add all necessary components for gpg signed release manifests

.github/workflows/build.yml

@@ -51,6 +51,16 @@ jobs:
           release_name: ${{ github.ref }}
           draft: true
           prerelease: true
+          body: |
+            ## Release Notes
+
+            <!-- Release notes here -->
+
+            ## Verify Release
+
+            <!-- Make sure you upload gpg signature before releasing! -->
+
+            See https://github.com/joule-labs/joule-extension/tree/develop/docs/verify.md
 
       - name: Download extension build zip artifact
         uses: actions/download-artifact@v2
@@ -85,5 +95,5 @@ jobs:
         with:
           upload_url: ${{ steps.create_release.outputs.upload_url }}
           asset_path: ./manifest.txt
-          asset_name: manifest.txt
+          asset_name: manifest-${{ github.ref_name }}.txt
           asset_content_type: text/plain

README.md

@@ -90,11 +90,18 @@ To make a production build, follow these steps
 
 ## Releasing
 
-1. Bump the version number in `package.json` and `static/manifest.json`
+1. Bump the version number in `package.json` and `static/manifest.json` and commit it to develop
 2. Create a git tag called `v${version}` and push it
-3. Run a build
-4. Make a new Github release, upload the build assets, write a changelog
-5. Upload the built zip to the Chrome developer dashboard, Firefox addons site, and Opera addons site
+3. CI will make a release with the assets uploaded and place it in draft
+4. Build the release locally with Docker and sign the manifest with
+   ```sh
+   yarn build:docker && cd dist-docker && gpg --output manifest-[version].wbobeirne.sig --detach-sig manifest.txt
+   ```
+5. Download the `manifest-[version].txt` from the release and verify it with the signature you just made
+   ```sh
+   gpg --verify manifest-[version].wbobeirne.sig manifest-[version].txt
+   ```
+6. Upload the built zip to the Chrome developer dashboard + Firefox addons site
 
 ## Testing
 

docs/verify.md

@@ -0,0 +1,26 @@
+# Verify Releases
+
+To verify the release, you can check @wbobeirne's signature against the sha256 manifest file. First import the public key:
+
+```sh
+curl https://raw.githubusercontent.com/joule-labs/joule-extension/master/keys/wbobeirne.asc | gpg --import
+```
+
+Download the manifest and sig file and verify it:
+
+```sh
+gpg --verify manifest-[version].wbobeirne.sig manifest-[version].txt
+```
+
+Now that we have a verified manifest, we'll verify the contents of the zip file. Download and unzip the zip file, and run `sha256sum -c` against the manifest.
+
+```sh
+cd joule-[version]
+sha256sum -c ../manifest-[version].txt --ignore-missing
+```
+
+You should see a series of files and `OK` next to them if the hashes match.
+
+## Build & verify with docker
+
+You can also build your own release and manifest with `yarn build:docker`, then verify the sha256sums using the `manifest.txt` file in `docker-dist/manifest.txt`

keys/wbobeirne.asc

@@ -0,0 +1,52 @@
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+-----END PGP PUBLIC KEY BLOCK-----