diff --git a/.env.sample b/.env.sample
index 92ff3fe..b5e2a06 100644
--- a/.env.sample
+++ b/.env.sample
@@ -39,6 +39,9 @@ L1_PROVER_PRIVATE_KEY=
 # contract (be a "mining L2 node"), you need to change `ENABLE_PROPOSER` to true, then fill `L1_PROPOSER_PRIVATE_KEY`
 # and `L2_SUGGESTED_FEE_RECIPIENT`
 ENABLE_PROPOSER=false
-L1_PROPOSER_PRIVATE_KEY=      # A L1 account (with balance) private key who will send TaikoL1.proposeBlock transactions
-L2_SUGGESTED_FEE_RECIPIENT=   # A L2 account address who will be the tx fee beneficiary of the L2 blocks that you proposed
-TXPOOL_LOCALS_ONLY=false # Only propose local transactions, useful to set your proposer to only propose blocks with your prover's transactions
+# A L1 account (with balance) private key who will send TaikoL1.proposeBlock transactions
+L1_PROPOSER_PRIVATE_KEY=
+# A L2 account address who will be the tx fee beneficiary of the L2 blocks that you proposed
+L2_SUGGESTED_FEE_RECIPIENT=
+# comma-delinated local tx pool addresses you want to prioritize, useful to set your proposer to only propose blocks with your prover's transactions
+TXPOOL_LOCALS=
diff --git a/.env.sample.l3 b/.env.sample.l3
index 36ca482..4d4b5bc 100644
--- a/.env.sample.l3
+++ b/.env.sample.l3
@@ -41,6 +41,9 @@ L2_PROVER_PRIVATE_KEY=
 # contract (be a "mining L3 node"), you need to change `ENABLE_PROPOSER` to true, then fill `L2_PROPOSER_PRIVATE_KEY`
 # and `L3_SUGGESTED_FEE_RECIPIENT`
 ENABLE_PROPOSER=false
-L2_PROPOSER_PRIVATE_KEY=      # A L2 account (with balance) private key who will send TaikoL1.proposeBlock L2 transactions
-L3_SUGGESTED_FEE_RECIPIENT=   # A L3 account address who will be the tx fee beneficiary of the L2 blocks that you proposed
-TXPOOL_LOCALS_ONLY=false # Only propose local transactions, useful to set your proposer to only propose blocks with your prover's transactions
\ No newline at end of file
+# A L2 account (with balance) private key who will send TaikoL1.proposeBlock L2 transactions
+L2_PROPOSER_PRIVATE_KEY=
+# A L3 account address who will be the tx fee beneficiary of the L2 blocks that you proposed
+L3_SUGGESTED_FEE_RECIPIENT=
+# comma-delinated local tx pool addresses you want to prioritize, useful to set your proposer to only propose blocks with your prover's transactions
+TXPOOL_LOCALS=
diff --git a/docker-compose.l3.yml b/docker-compose.l3.yml
index a150844..0b85cf5 100644
--- a/docker-compose.l3.yml
+++ b/docker-compose.l3.yml
@@ -1,6 +1,5 @@
 version: "3.4"
-x-logging:
-  &logging
+x-logging: &logging
   logging:
     options:
       max-size: 10m
diff --git a/docker-compose.yml b/docker-compose.yml
index fa91b31..b8e90f8 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,6 +1,5 @@
 version: "3.4"
-x-logging:
-  &logging
+x-logging: &logging
   logging:
     options:
       max-size: 10m
diff --git a/script/l2/start-proposer.sh b/script/l2/start-proposer.sh
index ffab1a2..4f63bf4 100755
--- a/script/l2/start-proposer.sh
+++ b/script/l2/start-proposer.sh
@@ -3,15 +3,27 @@
 set -eou pipefail
 
 if [ "$ENABLE_PROPOSER" == "true" ]; then
-    taiko-client proposer \
-      --l1.ws ${L1_ENDPOINT_WS} \
-      --l2.http http://l2_execution_engine:8545 \
-      --taikoL1 ${TAIKO_L1_ADDRESS} \
-      --taikoL2 ${TAIKO_L2_ADDRESS} \
-      --l1.proposerPrivKey ${L1_PROPOSER_PRIVATE_KEY} \
-      --l2.suggestedFeeRecipient ${L2_SUGGESTED_FEE_RECIPIENT} \
-      --txpool.localsOnly ${TXPOOL_LOCALS_ONLY} \
-      --minimalBlockGasLimit "5000000"
+    if [ -z "${TXPOOL_LOCALS}" ]; then
+        taiko-client proposer \
+            --l1.ws ${L1_ENDPOINT_WS} \
+            --l2.http http://l2_execution_engine:8545 \
+            --taikoL1 ${TAIKO_L1_ADDRESS} \
+            --taikoL2 ${TAIKO_L2_ADDRESS} \
+            --l1.proposerPrivKey ${L1_PROPOSER_PRIVATE_KEY} \
+            --l2.suggestedFeeRecipient ${L2_SUGGESTED_FEE_RECIPIENT} \
+            --minimalBlockGasLimit "5000000"
+    else
+        taiko-client proposer \
+            --l1.ws ${L1_ENDPOINT_WS} \
+            --l2.http http://l2_execution_engine:8545 \
+            --taikoL1 ${TAIKO_L1_ADDRESS} \
+            --taikoL2 ${TAIKO_L2_ADDRESS} \
+            --l1.proposerPrivKey ${L1_PROPOSER_PRIVATE_KEY} \
+            --l2.suggestedFeeRecipient ${L2_SUGGESTED_FEE_RECIPIENT} \
+            --txpool.locals ${TXPOOL_LOCALS} \
+            --txpool.localsOnly \
+            --minimalBlockGasLimit "5000000"
+    fi
 else
     sleep infinity
 fi
diff --git a/script/l3/start-proposer.sh b/script/l3/start-proposer.sh
index 23966e3..e8dbe3b 100755
--- a/script/l3/start-proposer.sh
+++ b/script/l3/start-proposer.sh
@@ -3,15 +3,27 @@
 set -eou pipefail
 
 if [ "$ENABLE_PROPOSER" == "true" ]; then
-    taiko-client proposer \
-      --l1.ws ${L2_ENDPOINT_WS} \
-      --l2.http http://l3_execution_engine:8545 \
-      --taikoL1 ${TAIKO_L1_ADDRESS} \
-      --taikoL2 ${TAIKO_L2_ADDRESS} \
-      --l1.proposerPrivKey ${L2_PROPOSER_PRIVATE_KEY} \
-      --l2.suggestedFeeRecipient ${L3_SUGGESTED_FEE_RECIPIENT} \
-      --txpool.localsOnly ${TXPOOL_LOCALS_ONLY} \
-      --minimalBlockGasLimit "5000000"
+    if [ -z "${TXPOOL_LOCALS}" ]; then
+        taiko-client proposer \
+            --l1.ws ${L2_ENDPOINT_WS} \
+            --l2.http http://l3_execution_engine:8545 \
+            --taikoL1 ${TAIKO_L1_ADDRESS} \
+            --taikoL2 ${TAIKO_L2_ADDRESS} \
+            --l1.proposerPrivKey ${L2_PROPOSER_PRIVATE_KEY} \
+            --l2.suggestedFeeRecipient ${L3_SUGGESTED_FEE_RECIPIENT} \
+            --minimalBlockGasLimit "5000000"
+    else
+        taiko-client proposer \
+            --l1.ws ${L2_ENDPOINT_WS} \
+            --l2.http http://l3_execution_engine:8545 \
+            --taikoL1 ${TAIKO_L1_ADDRESS} \
+            --taikoL2 ${TAIKO_L2_ADDRESS} \
+            --l1.proposerPrivKey ${L2_PROPOSER_PRIVATE_KEY} \
+            --l2.suggestedFeeRecipient ${L3_SUGGESTED_FEE_RECIPIENT} \
+            --txpool.locals ${TXPOOL_LOCALS} \
+            --txpool.localsOnly \
+            --minimalBlockGasLimit "5000000"
+    fi
 else
     sleep infinity
 fi