how to access docker service in localhost

Question

I creates a simple service with docker image. how I want to access it in localhost of my system.

docker service create --name my-app --replicas 3 -p 9090:8000 my-app-image docker service ls ID NAME MODE REPLICAS IMAGE PORTS ojvi1m6f8b41 my-app replicated 3/3 my-app-image:latest *:9090->8000/tcp docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 92b7d0ee0732 my-app-image:latest "java -jar /app.jar" 39 seconds ago Up 33 seconds 9090/tcp my-app.2.corp0f0uln0ng4h9lrk6h09nl 4478d716939a my-app-image:latest "java -jar /app.jar" 39 seconds ago Up 33 seconds 9090/tcp my-app.1.v3wwxp1xz93sfonimg1uszaqz 52aab839c268 my-app-image:latest "java -jar /app.jar" 39 seconds ago Up 34 seconds 9090/tcp my-app.3.ihpy62i331h48b1mtuhr87z46

it seems service is running but I can not access it in http://localhost:8000

Please help

lizony09 · Accepted Answer · 2022-05-24 11:26:29Z

you could access it in http://localhost:9090. 8000 is the port inside your docker container not accessible from outside. The local port is 9090

Simon Rosengren · Accepted Answer · 2022-05-24 11:26:18Z

You're mapping the port 9090 of the host, in this case your local computer, to the container port of 8000. In other words: You should be able to reach it locally on port 9090

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