fix: check for any non-zero container error (#23)

* fix: check for any non-zero container error

* fix: obtain exit code during check of task

Author: iBotPeaches

deploy.sh

@@ -244,14 +244,14 @@ if [ -n "$INPUT_PREPARE_TASK_CONTAINER_IMAGE_CHANGES" ] && [ -n "$INPUT_PREPARE_
     waitOnTask "$TASK_ARN"
 
     TASK_RESPONSE=$(describeTask "$TASK_ARN")
-    EXIT_CODE=$(echo "$TASK_RESPONSE" | jq -r '.tasks[0]?.containers[0]?.exitCode // 255')
+    if echo "$TASK_RESPONSE" | jq -e '.tasks[0].containers[] | select((.exitCode // 255) != 0)' > /dev/null; then
+        EXIT_CODE=$(echo "$TASK_RESPONSE" | jq -r '.tasks[0].containers[] | select((.exitCode // 255) != 0) | .exitCode // 255')
 
-    if [ "$EXIT_CODE" -eq 0 ]; then
-        echo -e "${GREEN}Task has executed successfully.";
-    else
         echo -e "${RED}Task returned non-zero exit code: ${RESET_TEXT}$EXIT_CODE. Raw response is below:";
         echo -e "${TASK_RESPONSE}"
         exit 1;
+    else
+        echo -e "${GREEN}Task has executed successfully.";
     fi
 fi