My Understanding about RUN, CMD and ENTRYPOINT in Dockerfile

Containerization gives us many benefits from packaging to distribution and others. Thus, Docker is widely used as a containerization tool which is designed for running specific tasks and processes, not for hosting operating systems or like other virtualization tools like VMWare, VirtualBox etc. You create a container to serve a single unit task. Once it completes the given task, it stops. The container life-cycle depends on the ongoing process inside of it. Once the process stops,

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Effective use of Redis with Python and Connection Pool

I have been working with redis and python for sometime. It is fun to play with python and redis. There are so many things can be solved by redis.

  • Session persistency
  • Caching
  • Volatile Datastore
  • Job or Message Queue
  • Search

And many more. But recently I was thinking about using it as main database. I am not yet sure what kind of problem I might face or what things to optimize when it is about scalability or reliability. I will for sure share my experience.

Here I want to talk about –

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How to create a ramdisk?

Whether you have SSD with NVME Protocol or good old HDD, It is not going to make you feel superior than your Random Access Memory or RAM.

By creating a ramdisk, you can use your unused memory as a super fast disk space and work with it. I do need to use nginx and for caching, I always go to tmpfs which is filesystem type that typically uses ram. How do I create one?

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How to run Python Flask Application?

I mostly use Python Flask when I need to develop a Web App or API.

Why? Because it is:

  • lightweight
  • Very Flexible
  • Micro-Service Friendly
  • Fast Development

These are one of the main reasons I choose Flask. But mostly I love to code with Flask. There are so many ways to run flask applications. I will write some of them here with code examples.

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Development Environment with Docker Compose

There are a lot of tools I need to work with. Installing some tools in my workstation and bloating the system is not an option with limited memory capacity, specially in MacBook Air M1 with 8GB of ram. So, I am using docker when using those tools. The day to day life depends on these DB tools –

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