Search Results for “docker” – Kev's Development Toolbox

September 24, 2024September 24, 2024

Docker build fails during ‘apt-get install’ with 404 errors

While running ‘docker build’ for a new image using ubuntu:22.04 as the base, running apt-get install for certain packages is giving random 404s on some package dependencies. For example: #7 7.691 Err:1 http://ports.ubuntu.com/ubuntu-ports jammy-updates/main arm64 libpython3.10-minimal arm64 3.10.12-1~22.04.5#7 7.691 404 Not Found [IP: 185.125.190.36 80] If I run ubuntu:22.04 and then run the ‘apt-get install’ …

Continue reading “Docker build fails during ‘apt-get install’ with 404 errors”

August 15, 2024August 15, 2024

Running and connecting to different MySQL servers in Docker containers

Running and exposing default MySQL port: docker run -e MYSQL_ROOT_PASSWORD=mypassword -p 3306:3306 -d mysql mysql -u root -p Running with a different exposed port on the host: docker run -e MYSQL_ROOT_PASSWORD=mypassword -p 3307:3306 -d mysql Connecting to server on different port : -P option, but also requires -h for host, otherwise seems to connect to …

Continue reading “Running and connecting to different MySQL servers in Docker containers”

May 6, 2024May 6, 2024

Deploying a Docker container to AWS Elastic Beanstalk

In my previous post, I looked at using the EB cli to deploy a Spring Boot app to Beanstalk. If you have an app that you have packaged in a Docker container, you can prepare this for deployment to Beanstalk using the EB cli command: $ eb init -p docker application-name This is described in …

Continue reading “Deploying a Docker container to AWS Elastic Beanstalk”

April 22, 2024April 22, 2024

Updating local versions of Docker images if using the latest tag

I have an ubuntu:latest image pulled locally from a couple of years ago, and it’s obviously not the latest since it’s over 2 years old. ‘docker images’ shows: ubuntu latest d5ca7a445605 2 years ago 65.6MB If I run the image with -it and cat the /etc/lsb-release file, it shows it’s 20.04. Docker Hub is currently …

Continue reading “Updating local versions of Docker images if using the latest tag”