Update Dockerfile

Dockerfile

@@ -1,8 +1,11 @@
 # Container image that runs your code
 FROM alpine:3.21
 
+# Set working directory
+WORKDIR /usr/src
+
 # Copies your code file from your action repository to the filesystem path `/` of the container
-COPY entrypoint.sh /entrypoint.sh
+COPY entrypoint.sh /usr/src/entrypoint.sh
 
 # Code file to execute when the docker container starts up (`entrypoint.sh`)
-ENTRYPOINT ["/entrypoint.sh"]
+ENTRYPOINT ["sh", "/usr/src/entrypoint.sh"]