Healthcheck

Dockerfile

@@ -1,7 +1,7 @@
 FROM --platform=linux/amd64 debian:bullseye-slim
 
 RUN apt-get update
-RUN apt-get install -y unzip wget x11vnc xvfb socat nano
+RUN apt-get install -y unzip wget x11vnc xvfb socat net-tools nano
 
 WORKDIR /root
 
@@ -37,11 +37,19 @@ RUN cp /opt/ibc/config.ini ./ibc/
 RUN chmod a+x run_ibc.sh
 
 #Environment variables and ports
+ENV IB_PORT 4000
+ENV GW_LIVE_PORT 4001
+ENV GW_PAPER_PORT 4002
+ENV TWS_LIVE_PORT 7496
+ENV TWS_PAPER_PORT 7497
 ENV DISPLAY :0
-ENV TWS_PORT 4002
 ENV VNC_PORT 5900
-EXPOSE $TWS_PORT
+
+EXPOSE $IB_PORT
 EXPOSE $VNC_PORT
 
+#Enable healthcheck
+HEALTHCHECK CMD netstat -ltn | grep -c ":$GW_LIVE_PORT\|:$GW_PAPER_PORT\|:$TWS_LIVE_PORT\|:$TWS_PAPER_PORT"
+
 #Run IBC
 CMD ./run_ibc.sh

README.md

@@ -31,5 +31,8 @@ Or run directly with `docker run` command:
 ## Connection
 Use container address and port **4002** to connect to the IB application.
 
+## Healthcheck
+The `netstat` utility is included and used to check IB socket port. You can customize healthcheck parameters and have the container automatically restart on unhealthy status. Please read about [autoheal](https://github.com/willfarrell/docker-autoheal) and see example `docker-compose.yml`.
+
 ## Disclaimer
 This method of deploying TWS/Gateway is not endorsed nor supported by Interactive Brokers.

docker-compose.yml

@@ -1,6 +1,13 @@
 version: '3.9'
 
 services:
+  autoheal:
+    container_name: autoheal
+    image: willfarrell/autoheal
+    restart: unless-stopped
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+
   ib:
     container_name: ib
     image: zdytch/ib-dockerized
@@ -16,3 +23,9 @@ services:
       - ./config.ini:/root/ibc/config.ini
     ports:
       - 5900:5900
+    labels:
+      autoheal: "true"
+    healthcheck:
+      interval: 15s
+      timeout: 5s
+      retries: 4

run_ibc.sh

@@ -8,24 +8,41 @@ rm -f /tmp/.X0-lock
 Xvfb :0 &
 sleep 1
 
+
+#Prepare arguments and port for Gateway or TWS
+APP_ARGS="--mode=$IB_MODE --user=$IB_USER --pw=$IB_PASSWORD"
+INT_PORT=0
+
+if [ $IB_APP = "gw" ] ; then
+    APP_ARGS="$(ls ~/Jts/ibgateway) --gateway $APP_ARGS"
+
+    if [ $IB_MODE = "live" ] ; then
+        INT_PORT=$GW_LIVE_PORT
+    elif [ $IB_MODE = "paper" ] ; then
+        INT_PORT=$GW_PAPER_PORT
+    fi
+
+elif [ $IB_APP = "tws" ] ; then
+    APP_ARGS="$(ls ~/Jts | head -1) $APP_ARGS"
+
+    if [ $IB_MODE = "live" ] ; then
+        INT_PORT=$TWS_LIVE_PORT
+    elif [ $IB_MODE = "paper" ] ; then
+        INT_PORT=$TWS_PAPER_PORT
+    fi
+fi
+
+
 #Run VNC if password is set
 if [ $VNC_PASSWORD ] ; then
     mkdir -p .vnc 
     x11vnc -storepasswd $VNC_PASSWORD .vnc/passwd
     x11vnc -rfbport $VNC_PORT -display :0 -usepw -forever &
 fi
 
-#Forward TWS port from to 4001, to simulate local connection
-socat TCP-LISTEN:$TWS_PORT,fork TCP:localhost:4001,forever &
 
-#Prepare arguments for Gateway or TWS
-APP_ARGS="--mode=$IB_MODE --user=$IB_USER --pw=$IB_PASSWORD"
-if [ $IB_APP = "gw" ]
-then
-    APP_ARGS="$(ls ~/Jts/ibgateway) --gateway $APP_ARGS"
-elif [ $IB_APP = "tws" ]
-then
-    APP_ARGS="$(ls ~/Jts | head -1) $APP_ARGS"
-fi
+#Forward IB port from internal to external, to simulate local connection
+socat TCP-LISTEN:$IB_PORT,fork TCP:localhost:$INT_PORT,forever &
+
 
 /opt/ibc/scripts/ibcstart.sh $APP_ARGS