diff --git a/bin/server.js b/bin/server.js
index 90382f5..a54a60a 100644
--- a/bin/server.js
+++ b/bin/server.js
@@ -125,7 +125,9 @@ class Server {
       console.log('\nConfiguration:')
       console.log(`Circuit Relay: ${this.config.isCircuitRelay}`)
       console.log(`IPFS TCP port: ${this.config.ipfsTcpPort}`)
-      console.log(`IPFS WS port: ${this.config.ipfsWsPort}\n`)
+      console.log(`IPFS WS port: ${this.config.ipfsWsPort}`)
+      console.log(`IPFS WebRTC port: ${this.config.ipfsWebRtcPort}`)
+      console.log(`Connection preference: ${this.config.connectPref}\n`)
 
       return app
     } catch (err) {
diff --git a/config/env/common.js b/config/env/common.js
index 12e0711..ec766e5 100644
--- a/config/env/common.js
+++ b/config/env/common.js
@@ -132,6 +132,7 @@ export default {
   ipfsTcpPort: process.env.IPFS_TCP_PORT ? process.env.IPFS_TCP_PORT : 4101,
   ipfsWsPort: process.env.IPFS_WS_PORT ? process.env.IPFS_WS_PORT : 4103,
   ipfsWebRtcPort: process.env.IPFS_WEB_RTC_PORT ? process.env.IPFS_WEB_RTC_PORT : 4105,
+  connectPref: process.env.CONNECT_PREF, // Used in helia-coord to select connection preference.
 
   // Settings for production, using external go-ipfs node.
   isProduction: process.env.SVC_ENV === 'prod' ? true : false,
diff --git a/production/docker/Dockerfile b/production/docker/Dockerfile
index ec2255e..a9ae09c 100644
--- a/production/docker/Dockerfile
+++ b/production/docker/Dockerfile
@@ -66,9 +66,6 @@ RUN npm install
 # Generate the API docs
 RUN npm run docs
 
-# Expose the port the API will be served on.
-#EXPOSE 5010
-
 # Start the application.
 #COPY start-production.sh start-production.sh
 CMD ["./start-production.sh"]
diff --git a/production/docker/docker-compose.yml b/production/docker/docker-compose.yml
index 591e029..1f21fef 100644
--- a/production/docker/docker-compose.yml
+++ b/production/docker/docker-compose.yml
@@ -26,10 +26,12 @@ services:
     links:
       - mongo-bch-consumer
     ports:
-      - '5015:5015' # <host port>:<container port>
-      - '4101:4101'
-      - '4103:4103'
-      - '4105:4105'
+      # <host port>:<container port>
+      - '5015:5015' # REST API
+      - '4101:4101' # TCP
+      - '4103:4103' # Websockets
+      - '4105:4105' # WebRTC
+
     volumes:
       - ../data/ipfsdata:/home/safeuser/ipfs-bch-wallet-consumer/.ipfsdata
       - ./start-production.sh:/home/safeuser/ipfs-bch-wallet-consumer/start-production.sh
diff --git a/production/docker/start-production.sh b/production/docker/start-production.sh
index a69e3bc..8c0d040 100755
--- a/production/docker/start-production.sh
+++ b/production/docker/start-production.sh
@@ -31,6 +31,7 @@ export IPFS_HOST=172.17.0.1
 export IPFS_API_PORT=5001
 export IPFS_TCP_PORT=4101
 export IPFS_WS_PORT=4103
+export IPFS_WEB_RTC_PORT=4105
 
 # Set the debug level for helia-coord. 0-3.
 # 0 = no debug logs. 3 = maximum debug logs.