fix sample files check

Author: raphaeltm

scripts/check-sample-files.sh

@@ -3,16 +3,25 @@
 for dir in ./samples/*/; do
   # set variable pulumi to true if there is a Pulumi.yaml file in the directory, or there is a directory called pulumi
   pulumi=false
-  if [[ -f "${dir}Pulumi.yaml" ]]; then
+  if find "${dir}" -name 'Pulumi.yaml' -exec true {} +; then
     pulumi=true
   elif [[ -d "${dir}pulumi" ]]; then
     pulumi=true
   fi
 
   if [[ ! -f "${dir}compose.yaml" ]]; then
-    if find "${dir}" -name 'Pulumi.yaml' -exec false {} +; then
+    if [[ "$pulumi" == "false" ]]; then
+      # if not pulumi and no compose, tell user to add compose.yaml
       echo " - [ ] add compose.yaml to ${dir}"
     fi
+  else
+    # if there is a compose.yaml file, check if it is valid
+    (
+      cd $dir
+      if ! defang compose config > /dev/null 2>/dev/null; then
+        echo " - [ ] ${dir}compose.yaml contains errors"
+      fi
+    )
   fi
 
   # Check that we have a .github/workflows/deploy.yaml file