Nginx Question posted in
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Image can't start – Nginx

I can’t start image with clear installed Ubuntu. Then trying to install Nginx and PHP in Dockerfile.

I use command docker-compose up -d to to prepare and start container, but it always restarting.

Where is the error? Here is my code.

docker-compose.yml:

version: '3'

services:

    ubuntu:
        build:
            context: .
            dockerfile: Dockerfile
        ports:
            - 80:80
        volumes:
            - ./data:/var/data

Dockerfile:

FROM ubuntu:latest

RUN apt update -y && apt upgrade -y && apt autoremove -y 
    && apt install nginx -y 
    && apt install php -y

CMD ["bash"]
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2

Answers


  1. 0

    It’s using the latest Ubuntu image. I had a similar issue except it kept hanging.
    Change the first line of your Dockerfile to:
    FROM ubuntu:20.04

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  2. 0

    I have tried docker pull ubuntu then docker run ubuntu. docker ps was empty. It means the container starts and ends quickly.
    I search docker inspect ubuntu and found "Cmd": "bash".

    Then I have tried docker run -it ubuntu and I had an access to the bash in the ubuntu container. But when I exited, the container closed.

    I think you should read and learn from the official nginx for example:
    https://github.com/nginxinc/docker-nginx/blob/f958fbacada447737319e979db45a1da49123142/mainline/debian/Dockerfile

    Your problem is your command: you should use something like
    CMD ["nginx", "-g", "daemon off;"]

    EDIT: I think you should use a Dockerfile for your nginx and another for your php. Then call your images in a docker-compose.yml

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