Question 246829 in Docker Question posted in
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Update NGINX version in Docker Container

My container is running NGINX 1.24.0, I am trying to update the NGINX version to 1.25 but when I am trying to update the NGINX version inside the container using "apt-get install nginx" it is saying the latest version is already installed?

How to update the nginx version inside the container?

docker exec -it /bin/bash to get inside the container file system and run apt-get install nginx to update nginx

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Answers


  1. 0

    trying to update the NGINX version inside the container using "apt-get install nginx"

    i assume that you are using the official nginx image, thus you should not update nginx within the image but rather use an official image with the version that you want.

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  2. 0

    First of all: Updating a docker-container with docker exec ... is never a good idea. These updates are not persistent and will be lost, when the docker container stops.

    But … howto update?

    Best answer, it depends. You wrote no information which image you are using. So there are two variants.

    Own docker-image

    If you have your own which looks like this

    FROM ubuntu
RUN apt update && apt install nginx
...

    then you just have to do a docker build . -t myImage:tag.

    Official

    When you use the official nginx image, then the current version is marked by the tag.

    • docker run nginx:latest will run always the newest version. It will change over time.
    • docker run nginx:1.25.2 will run the current latest version (this image will be always the same).
    • docker run nginxinc/nginx-unprivileged:1.25 will run always the latest rootless 1.25 version. It will change, when small updates/hotfixes are provided.

    You can force an update by running docker pull nginx/....
    Remember, you have then to stop & start all your nginx .

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