how to access the docker container from public internet using the port 81 ?

Question

Mahesh B · Accepted Answer

1. Ensure that your EC2 instance's security group allows inbound traffic on port 81. 2. Run the container using the command docker run -d --name (name) -p 81:80 (image-name). -(example: docker run -d --name webapp -p 81:80 nginx) 3. Open your browser and type http://:81 or http://:81 to access the container.

Mahesh B · Answer

By mapping the host port to the container port and ensuring appropriate AWS EC2 Security Group rule / firewall rules are in place, you can access the Docker container from the public internet using port 81. Example: (AWS EC2 Ubuntu instance) sudo docker run -d --name web-server-app -p 81:80 nginx Configure AWS EC2 security group and in inbound rule - add Custom TCP and configure port to 81 and click on Save Rules. Fetch AWS EC2 Public IP address or Public DNS Name Access the application from a web browser using the following URL: http://:81

how to access the docker container from public internet using the port 81 ?

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