Added a check for the config file

entrypoint.sh

@@ -18,8 +18,6 @@ if [ -n "$DOCKER_CONFIG_BASE64" ]; then
   echo "$DOCKER_CONFIG_BASE64" | base64 -d > "$HOME/.docker/config.json"
 fi;
 
-echo "Full image name: $IMAGE_NAME"
-
 if [ -z "$INPUT_IMAGE_NAME" ]; then
   echo "No image name given."
   exit 1
@@ -27,7 +25,7 @@ fi;
 
 GRYPE_OPTIONS=("-v" "--by-cve")
 
-if [ -n "$INPUT_CONFIG_PATH" ]; then
+if [ -n "$INPUT_CONFIG_PATH" ] && [ -f "$INPUT_CONFIG_PATH" ]; then
   GRYPE_OPTIONS+=("--config" "$INPUT_CONFIG_PATH")
 fi
 
@@ -36,6 +34,7 @@ if [ -n "$INPUT_PLATFORM" ]; then
 fi
 
 if [[ "$INPUT_IMAGE_NAME" == *:* ]]; then
+  echo "Full image name: $IMAGE_NAME"
   GRYPE_OPTIONS+=("registry:${IMAGE_NAME}")
 else
   GRYPE_OPTIONS+=("file:${INPUT_IMAGE_NAME}")