Add option to customize token bridge branch

docker-compose.yaml

@@ -329,7 +329,10 @@ services:
       - geth
       - sequencer
     pid: host
-    build: tokenbridge/
+    build:
+      context: tokenbridge/
+      args:
+        TOKEN_BRIDGE_BRANCH: ${TOKEN_BRIDGE_BRANCH:-main}
     environment:
       - ARB_URL=http://sequencer:8547
       - ETH_URL=http://geth:8545

tokenbridge/Dockerfile

@@ -1,8 +1,9 @@
 FROM node:16-bullseye-slim
+ARG TOKEN_BRIDGE_BRANCH=main
 RUN apt-get update && \
     apt-get install -y git docker.io python3 build-essential
 WORKDIR /workspace  
-RUN git clone https://github.com/OffchainLabs/token-bridge-contracts.git ./
+RUN git clone -b ${TOKEN_BRIDGE_BRANCH} https://github.com/OffchainLabs/token-bridge-contracts.git ./
 RUN yarn install
 RUN yarn build
 ENTRYPOINT ["yarn"]