[ci] Run cronjob with app secrets (#1420)

* [ci] Run cronjob with app secrets

* rm github url

* move token creation closer to pr creation

* return checkout

* check that credentials work

* test gha

* add more test

* create test file

* rm tests

* add compression+decompression to avoid >100MB

* add shell field to action

* move zipped file to correct location

* strip binaries

---------

Co-authored-by: Tadeo hepperle <tadeo@do-mix.de>

.github/workflows/build-nodes.yml

@@ -35,6 +35,17 @@ jobs:
           command: build
           args: --release --manifest-path substrate/bin/node/cli/Cargo.toml
 
+      - name: build polkadot binary
+        uses: actions-rs/cargo@v1
+        with:
+          command: build
+          args: --release --manifest-path polkadot/Cargo.toml
+
+      - name: Strip binaries
+        run: |
+          cargo install cargo-strip
+          cargo strip
+
       - name: upload substrate binary
         uses: actions/upload-artifact@v3
         with:
@@ -43,18 +54,17 @@ jobs:
           retention-days: 2
           if-no-files-found: error
 
-      - name: build polkadot binary
-        uses: actions-rs/cargo@v1
-        with:
-          command: build
-          args: --release --manifest-path polkadot/Cargo.toml
+      # Note: Uncompressed polkadot binary is ~124MB -> too large for git (max 100MB) without git lfs. Compressed it is only ~45MB
+      - name: compress polkadot binary
+        run: |
+          tar -zcvf target/release/polkadot.tar.gz target/release/polkadot
 
       - name: upload polkadot binary
         uses: actions/upload-artifact@v3
         with:
           name: nightly-polkadot-binary
           path: |
-            target/release/polkadot
+            target/release/polkadot.tar.gz
             target/release/polkadot-execute-worker
             target/release/polkadot-prepare-worker
           retention-days: 2