How to Make Docker Containers Faster and Improve Performance

Source:- containerjournal.com Your Docker containers are already fast, at least compared to virtual machines. But what if you want to make them even faster? Here are strategies for optimizing Docker container speed and performance. If you’re using Docker, it’s probably at least partly because you want your applications to start and run faster. Out of the box, containers offer significant performance advantages over infrastructure built using virtual machines. Making Containers Even Faster But why settle for the speed containers give

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20 Docker security tools compared

Source:- sysdig.com There are quite a few Docker security tools in the ecosystem, how do they compare? This is a comprehensive list of Docker security tools that can help you implement some of the container security best practices. Is Docker insecure? Not at all. Actually features like process isolation with user namespaces, resource encapsulation with cgroups, immutable images and shipping the minimal software and dependencies reduce the attack vector providing a great deal of protection. But, is there anything else we

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The five most useful DevOps tools

Source – rcrwireless.com Cool tools for DevOps More and more IT organizations are adopting DevOps practices. In switching to a DevOps work environment, it is important to have the right tools in place. Otherwise, mismatched tools can trigger bottlenecks, giving rise to miscommunications between software developers and operations staff. Choosing which DevOps tools work best for your company can be daunting. In order to simplify the process, this article explores the most useful and reliable DevOps technologies available today. Chef Chef

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Why Is Docker So Popular? Explaining the Rise of Containers and Docker

Source – thevarguy.com By now, you’ve almost certainly heard of Docker containers. You know Docker is massively popular. But do you know why? Here’s a look at the factors driving tremendous interest in Docker today. Before delving into a discussion of the factors behind Docker’s popularity, it’s worth noting that Docker is not the only container platform out there. Nor was it the first to come along. Other frameworks, like OpenVZ and LXC, were available starting in the mid-2000s. Other container-like

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How to completely uninstall docker

Source – askubuntu.com I followed the uninstall instructions here. Then I ran these commands: sudo apt-get purge docker-engine sudo apt-get autoremove –purge docker-engine rm -rf /var/lib/docker So after I did all this I ran this command to see if docker files are any where else: sudo find / -name ‘*docker*’ I found several places where docker files still exists. /etc /sys /lib /usr /usr /run /proc /var Docker exists in subfolders in the list above.

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Setup local WordPress development environment with Docker error 500

Source – stackoverflow.com I need help with setting up my docker, I know there is much already configured environments but I need the one that fits my needs. Bellow you can find my setup. docker-compose.yml version: ‘3’ services: nginx: image: nginx:latest ports: – “80:80” volumes: – ./wordpress:/var/www/html – ./config/nginx:/etc/nginx/conf.d – ./logs/nginx:/var/log/nginx depends_on: – phpfpm restart: always mariadb: image: mariadb:latest ports: – “3306:3306” volumes: – ./data/db:/var/lib/mysql environment: MYSQL_ROOT_PASSWORD: password MYSQL_DATABASE: wordpress MYSQL_USER: wordpress MYSQL_PASSWORD: password restart: always phpfpm: image: php:fpm ports: –

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DevOps engineers think Docker, Ansible and Kubernetes are the top 3 tools to learn

Source – jaxenter.com The data is in. According to Packt’s third annual Skill Up survey, Machine Learning, Big Data, and cloud computing are the top three trends in tech for 2017. Five thousand developers and tech professionals across the world responded to Packt’s third annual Skill Up survey to share their thoughts on the latest tech tools and trends, and how they work and learn. This year’s survey went even deeper than previous years, asking respondents to share their opinions on

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How to start working with Docker logs

Source – techrepublic.com Chances are you’ve run into issues with a Docker container or two. When that happens, what do you do? As with any piece of mission-critical software, any IT pro worth their weight in Cat5 will say the first thing you do is check the log files. The same holds true with Docker. But how do you check a log file for a container that doesn’t contain a complete operating system? Fortunately, the developers of Docker have thought of

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Testing ansible in docker container – how to set networks?

Source – docker.com I write this post to Docker for Mac not General, since I think this problem is quite related with OSX network settings. If not, tell me so I can move this to other section. This post is quite relevant with Ansible I am trying to build test environments for ansible with following conditions. Using centos docker container for ansible Using centos docker containers for targets All of 3 containers run successfully, but when I try to deploy to

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How to Deploy Java Apps With Docker

Source – dzone.com For those new to Docker, let me say “Welcome to the party!” It’s an easy way to deploy, run, and manage applications using VM-like containers that are independent of elements like hardware and language, which makes these containers highly portable. And it’s all the rage. So how do you deploy Java apps using Docker? You’re in the right place. I’ll walk through the process step by step – from installing Docker to installing Java inside a Docker container

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