diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index d02f3e4..dcabf62 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -3,7 +3,8 @@ on: [push]
 
 jobs:
   build:
-      runs-on: ubuntu-latest
-      steps:
-        - name: Printing hello
-          run: echo "Hello, "
\ No newline at end of file
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: build using gcc
+        run: gcc -Wall -Werror main.c
diff --git a/main.c b/main.c
new file mode 100644
index 0000000..f08b6aa
--- /dev/null
+++ b/main.c
@@ -0,0 +1,5 @@
+int main()
+{
+    printf("Halo, Welt!");
+    return 0;
+}
\ No newline at end of file