Use ECR alpine image (#14)

Author: goruha

Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.17
+FROM public.ecr.aws/docker/library/alpine:3.17.3
 
 # Install the cloudposse alpine repository
 ADD https://apk.cloudposse.com/ops@cloudposse.com.rsa.pub /etc/apk/keys/
@@ -14,4 +14,4 @@ ENTRYPOINT ["/bin/bash"]
 
 COPY entrypoint.sh /usr/local/bin/entrypoint
 
-CMD [ "-c", "entrypoint" ]
+CMD [ "-c", "entrypoint" ]