Update Dockerfile

Author: m-messer

app/Dockerfile

@@ -1,6 +1,6 @@
 # Base image that bundles AWS Lambda Python 3.8 image with some middleware functions
 # FROM base-eval-tmp
-FROM rabidsheep55/python-base-eval-layer
+FROM ghcr.io/lambda-feedback/baseevalutionfunctionlayer:main-3.8
 
 WORKDIR /app
 
@@ -63,4 +63,4 @@ RUN chmod 644 $(find . -type f)
 RUN chmod 755 $(find . -type d)
 
 # The entrypoint for AWS is to invoke the handler function within the app package
-CMD [ "/app/app.handler" ]
+CMD [ "/app/app.handler" ]