Update README

Author: bytemain

README.md

@@ -576,18 +576,9 @@ RUN xcaddy build \
 
 FROM caddy:${CADDY_VERSION}-alpine
 
-EXPOSE 80 443 2019
-
-ENV XDG_CONFIG_HOME /config
-ENV XDG_DATA_HOME /data
-
-RUN apk add -U --no-cache ca-certificates curl
-
 COPY --from=builder /usr/bin/caddy /usr/bin/caddy
 
-ENTRYPOINT ["/bin/caddy"]
-
-CMD ["docker-proxy"]
+CMD ["caddy", "docker-proxy"]
 ```
 
 ## Connecting to Docker Host