add keys=persistent behavior

Author: gilbertgong

entrypoint.sh

@@ -9,7 +9,9 @@ cd /chia-blockchain
 
 chia init
 
-if [[ ${keys} == "generate" ]]; then
+if [[ ${keys} == "persistent" ]]; then
+  echo "Not touching key directories"
+elif [[ ${keys} == "generate" ]]; then
   echo "to use your own keys pass them as a text file -v /path/to/keyfile:/path/in/container and -e keys=\"/path/in/container\""
   chia keys generate
 elif [[ ${keys} == "copy" ]]; then

readme.md

@@ -26,6 +26,11 @@ alternatively you can pass in your local keychain, if you have previously deploy
 ```
 -v ~/.local/share/python_keyring/:/root/.local/share/python_keyring/
 ```
+or if you would like to persist the entire mainnet subdirectory and not touch the key directories at all
+```
+-v ~/.chia/mainnet:/root/.chia/mainnet -e keys="persistent"
+```
+
 
 To start a farmer only node pass
 ```