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example-docker-setup-nginx-server.md

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Create Nginx Server with Docker

Step 1: Search an image

docker search nginx

Step 2: Pull an image

docker pull nginx

Step 3: Create a container

docker run -d -ti nginx bash
  • Get container name
docker ps -l
  • Start some services in "background" docker.
  • "admiring_dubinsky" is the name of container of my server, change it for yours.
docker exec -ti admiring_dubinsky bash -c "service nginx start"

Step 4: Test

  • Get container IP:
  docker inspect <containr-ID> | grep IP
  • Is nginx running ?
  curl <container-IP>

Step 5: Port forward for external access to container.

  • Using iptables.
sysctl net.ipv4.ip_forward=1

iptables -t nat -A PREROUTING -p tcp -d 0.0.0.0/32 --dport 80 -j DNAT --to-destination <container-ip>:80

iptables -t nat -A POSTROUTING -j MASQUERADE

References

  1. https://www.debuntu.org/how-to-redirecting-network-traffic-to-a-new-ip-using-iptables/