Update workflow

.github/workflows/dockerhub-description.yml

@@ -1,5 +1,6 @@
 name: Update Docker Hub Description
 on:
+  workflow_dispatch:
   push:
     branches:
       - master

action.yml

@@ -16,7 +16,7 @@ description: 'An action to update a Docker Hub repository description from READM
 #     default: ./README.md
 runs:
   using: 'docker'
-  image: 'docker://peterevans/dockerhub-description:2.3.0'
+  image: 'docker://peterevans/dockerhub-description:2.3.1'
 branding:
   icon: 'upload'
   color: 'blue'

entrypoint.sh

@@ -25,6 +25,12 @@ fi
 # Set the default path to README.md
 README_FILEPATH=${README_FILEPATH:="./README.md"}
 
+# Check the file exists
+if [ ! -f ${README_FILEPATH} ]; then
+  echo "Readme file not found"
+  exit 1
+fi
+
 # Check the file size
 if [ $(wc -c <${README_FILEPATH}) -gt 25000 ]; then
   echo "File size exceeds the maximum allowed 25000 bytes"