diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index 2c409d52..9105b072 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -9,7 +9,7 @@ on:
   release:
     types: ['published']
   push:
-    branches: [ "dockerify" ]
+    branches: [ "dockerify", "phase2"]
     # Publish semver tags as releases.
     tags: [ 'v*.*.*' ]
   pull_request:
diff --git a/settings.example.json b/settings.example.json
index 8fe4d2c1..491642b2 100644
--- a/settings.example.json
+++ b/settings.example.json
@@ -86,7 +86,7 @@
     "domain": {
       "name": "PowerloomProtocolContract",
       "version": "0.1",
-      "chainId": "102",
+      "chainId": "prost-chain-id",
       "verifyingContract": "protocol-state-contract"
     },
     "accountAddress": "signer-account-address",
diff --git a/snapshotter_autofill.sh b/snapshotter_autofill.sh
index fa424088..6bbedeb3 100755
--- a/snapshotter_autofill.sh
+++ b/snapshotter_autofill.sh
@@ -45,11 +45,21 @@ if [ "$WEB3_STORAGE_TOKEN" ]; then
     echo "Found WEB3_STORAGE_TOKEN ${WEB3_STORAGE_TOKEN}";
 fi
 
+if [ "$NAMESPACE" ]; then
+    echo "Found NAMESPACE ${NAMESPACE}";
+fi
+
+if [ "$PROST_CHAIN_ID" ]; then
+    echo "Found PROST_CHAIN_ID ${PROST_CHAIN_ID}";
+fi
+
 cp settings.example.json settings.json
 
-export namespace=UNISWAPV2
+export namespace="${NAMESPACE:-UNISWAPV2}"
 export prost_rpc_url="${PROST_RPC_URL:-https://rpc-prost1b.powerloom.io}"
 
+export prost_chain_id="${PROST_CHAIN_ID:-103}"
+
 export ipfs_url="${IPFS_URL:-/dns/ipfs/tcp/5001}"
 export ipfs_api_key="${IPFS_API_KEY:-}"
 export ipfs_api_secret="${IPFS_API_SECRET:-}"
@@ -70,6 +80,7 @@ fi
 
 echo "Using Namespace: ${namespace}"
 echo "Using Prost RPC URL: ${prost_rpc_url}"
+echo "Using Prost Chain ID: ${prost_chain_id}"
 echo "Using IPFS URL: ${ipfs_url}"
 echo "Using IPFS API KEY: ${ipfs_api_key}"
 echo "Using protocol state contract: ${protocol_state_contract}"
@@ -81,6 +92,7 @@ echo "Using web3 storage token: ${web3_storage_token}"
 sed -i'.backup' "s#relevant-namespace#$namespace#" settings.json
 
 sed -i'.backup' "s#https://prost-rpc-url#$prost_rpc_url#" settings.json
+sed -i'.backup' "s#prost-chain-id#$prost_chain_id#" settings.json
 
 sed -i'.backup' "s#ipfs-writer-url#$ipfs_url#" settings.json
 sed -i'.backup' "s#ipfs-writer-key#$ipfs_api_key#" settings.json