update docker and readme

Dockerfile

@@ -17,7 +17,7 @@ RUN apk del git && rm -rf /var/cache/apk/* /root/.npm /tmp/*
 HEALTHCHECK --interval=10s --timeout=5s CMD wget --no-verbose --tries=1 --spider localhost:3001/health
 
 ENTRYPOINT [ "/bin/bash", "-l", "-c" ]
-CMD [ "./ipfs-server -port 3001 -w3-agent-key $W3_AGENT_KEY -w3-delegation-file $W3_DELEGATION_FILE" ]
+CMD [ "./ipfs-server -port 3001 -w3-agent-key $W3_AGENT_KEY -w3-delegation-file $W3_DELEGATION_FILE --enable-gc" ]
 
 # ipfs-pinner API server;
 EXPOSE 3001

README.md

@@ -67,10 +67,7 @@ NOTE: If you want more control over CLI params, you can run the server binary (a
 NOTE: If you get some error when running this, check if the diagnostic is there in [known issues](#known-issues)
 
 NOTE: If you want to run the server with garbage collection enabled, you can run the server binary with the `--enable-gc` flag:
-
-```bash
-./build/bin/server -w3-agent-key <AGENT_KEY> -w3-delegation-file <DELEGATION_PROOF_FILE_PATH> --enable-gc
-```
+Garbage Collector can be configured through IPFS config file `~/.ipfs/config`. More information can be found [here](https://github.com/ipfs/kubo/blob/master/docs/config.md#datastore)
 
 ipfs-pinner can be run as a server and allows two functionalities currently - `/get` and `/upload`