verify executable on CI build

.github/scripts/verifyExecutable.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+set -e
+
+./certs.sh
+
+./target/https-intercept > intercept.log 2>&1 &
+sleep 1
+interceptPID="$!"
+
+curl_result="$(curl --connect-to example.com:1337:127.0.0.1 https://example.com:1337 --cacert root.pem -i)"
+
+kill "$interceptPID"
+
+statusCode="$(echo "$curl_result" | head -n 1 | cut -d' ' -f2)"
+
+# assert successful response
+if [ "$statusCode" -ne 200 ]; then
+	echo "status code does not match!"
+	exit 1
+fi
+
+# assert text Example Domain in response
+echo "$curl_result" | grep "Example Domain"
+
+cat intercept.log
+rm intercept.log

.github/workflows/build.yml

@@ -11,12 +11,13 @@ jobs:
       with:
         distribution: 'graalvm'
         java-version: '21'
-        components: 'native-image'
         github-token: ${{ secrets.GITHUB_TOKEN }}
         cache: 'maven'
     - name: Build image
       run: mvn -Pnative package
     - uses: actions/upload-artifact@v4
       with:
         path: target/https-intercept
-        if-no-files-found: error
+        if-no-files-found: error
+    - name: verify executable
+      run: ./.github/scripts/verifyExecutable.sh