Run Docker without sudo Linux

To run Docker without sudo in Linux is quite simple. Using your terminal in Linux and a couple simple commands shown below. You don’t need to be an expert Linux guru software developer to go thru these steps. If you don’t want to preface the docker command with sudo, create a Linux group called docker and add users to it. […]

Docker error: Cannot start service …: network 0927c not found

I have never seen this Docker error: Cannot start service while using docker-compose in the short time I have been using Docker. While having amazing Latin America coffee from Honduras I decided to jump back into my personal Flask project. This project is mainly to keep track of your blood pressure by taking daily readings […]

Could not set the file size of ./ibtmp1. Probably out of disk space

While having my daily specialty coffee from Latin America I got this error for one of my docker containers running MySQL. ERROR: ‘Could not set the file size of ./ibtmp1’. Suddenly the container failed to start and I could not understand why! I reviewed the logs for my container: docker logs <my_container_name> Something strange ‘Could […]

How to restart a service running in docker compose

I’m playing with docker-compose for a test Flask app. My docker-compose.yml looks like this: I noticed any change I made in my files within my templates folder did not take effect when I reloaded the browser locally at localhost:5000 So, I found that I can just restart the ‘www’ service defined on my docker-compose.yml file […]

Breaking Up Long Lines in Your Dockerfile

I try to limit my line characters to 79-80 per line. For example check this 122 character multi-command line: RUN wget -O afile.tar.gz http://example.com/afile.tar.gz && tar -xvf afile.tar.gz -C /usr/src/myapp && rm afile.tar.gz You will need to scroll horizontally using your text editor to see the super long crazy line. This is not efficient and […]