diff --git a/docker-compose.yml b/docker-compose.yml
index f0b2b06..f387e5d 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -8,8 +8,7 @@ services:
         STAKER_SCRIPTS_VERSION: v0.1.2
         DATA_DIR: /opt/teku/data
     environment:
-      CHECKPOINT_SYNC_URL: ""
-      FEE_RECIPIENT_ADDRESS: ""
+      FEE_RECIPIENT_ADDRESS: "0x0000000000000000000000000000000000000000"
       EXTRA_OPTS: ""
       JAVA_OPTS: "-Xmx6g"
     restart: unless-stopped
@@ -26,7 +25,7 @@ services:
       LOG_LEVEL: INFO
       GRAFFITI: validating_from_DAppNode
       EXTRA_OPTS: ""
-      FEE_RECIPIENT_ADDRESS: ""
+      FEE_RECIPIENT_ADDRESS: "0x0000000000000000000000000000000000000000"
       BACKUP_BEACON_NODES: ""
       JAVA_OPTS: "-Xmx6g"
     restart: unless-stopped
diff --git a/package_variants/gnosis/docker-compose.yml b/package_variants/gnosis/docker-compose.yml
index e41d703..e91ab7e 100644
--- a/package_variants/gnosis/docker-compose.yml
+++ b/package_variants/gnosis/docker-compose.yml
@@ -5,8 +5,10 @@ services:
       args:
         NETWORK: gnosis
         P2P_PORT: 19005
+    environment:
+      CHECKPOINT_SYNC_URL: "https://checkpoint-sync-gnosis.dappnode.net"
     ports:
-      - "19005:19005/tcp"
+      - "19005:19005"
       - "19005:19005/udp"
     volumes:
       - teku-gnosis-data:/opt/teku/data
diff --git a/package_variants/holesky/docker-compose.yml b/package_variants/holesky/docker-compose.yml
index 64da38d..3ecead7 100644
--- a/package_variants/holesky/docker-compose.yml
+++ b/package_variants/holesky/docker-compose.yml
@@ -6,8 +6,10 @@ services:
         NETWORK: holesky
         P2P_PORT: 9605
         UPSTREAM_VERSION: develop # holesky fix, see https://github.com/ethereum/pm/blob/master/Pectra/holesky-postmortem.md#holesky-coordinated-slashings
+    environment:
+      CHECKPOINT_SYNC_URL: "https://checkpoint-sync-holesky.dappnode.net"
     ports:
-      - "9605:9605/tcp"
+      - "9605:9605"
       - "9605:9605/udp"
     volumes:
       - teku-holesky-data:/opt/teku/data
diff --git a/package_variants/hoodi/docker-compose.yml b/package_variants/hoodi/docker-compose.yml
index ba0f993..0eb3526 100644
--- a/package_variants/hoodi/docker-compose.yml
+++ b/package_variants/hoodi/docker-compose.yml
@@ -5,8 +5,10 @@ services:
       args:
         NETWORK: hoodi
         P2P_PORT: 9705
+    environment:
+      CHECKPOINT_SYNC_URL: "https://checkpoint-sync-hoodi.dappnode.net"
     ports:
-      - "9705:9705/tcp"
+      - "9705:9705"
       - "9705:9705/udp"
   validator:
     build:
diff --git a/package_variants/lukso/docker-compose.yml b/package_variants/lukso/docker-compose.yml
index fccc3a3..6cca53d 100644
--- a/package_variants/lukso/docker-compose.yml
+++ b/package_variants/lukso/docker-compose.yml
@@ -5,8 +5,10 @@ services:
       args:
         NETWORK: lukso
         P2P_PORT: 9905
+    environment:
+      CHECKPOINT_SYNC_URL: "https://checkpoint-sync-lukso.dappnode.net"
     ports:
-      - "9905:9905/tcp"
+      - "9905:9905"
       - "9905:9905/udp"
     volumes:
       - teku-lukso-data:/opt/teku/data
diff --git a/package_variants/mainnet/docker-compose.yml b/package_variants/mainnet/docker-compose.yml
index 26cbc2a..6b14afc 100644
--- a/package_variants/mainnet/docker-compose.yml
+++ b/package_variants/mainnet/docker-compose.yml
@@ -5,8 +5,10 @@ services:
       args:
         NETWORK: mainnet
         P2P_PORT: 9105
+    environment:
+      CHECKPOINT_SYNC_URL: "https://checkpoint-sync.dappnode.net"
     ports:
-      - "9105:9105/tcp"
+      - "9105:9105"
       - "9105:9105/udp"
     volumes:
       - teku-data:/opt/teku/data