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There are often many roadblocks that stand in the way of easily moving your application through the development cycle and eventually into production. Besides the actual work of developing your application to respond appropriately in each environment, you may also face issues with tracking down dependencies, scaling your application, and updating individual components without affecting the entire application.
Docker containerization and service-oriented design attempts to solve many of these problems. Applications can be broken up into manageable, functional components, packaged individually with all of their dependencies, and deployed on irregular architecture easily. Scaling and updating components is also simplified.
In this guide, we will discuss the benefits of containerization and how Docker helps to solve many of the issues we mentioned above. Docker is the core component in distributed container deployments that provide easy scalability and management.
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The Docker project has given many developers and administrators an easy platform with which to build and deploy scalable applications. In this series, we will be exploring how Docker and the components designed to integrate with it provide the tools needed to easily deliver highly available, distributed applications.
Former Senior Technical Writer at DigitalOcean, specializing in DevOps topics across multiple Linux distributions, including Ubuntu 18.04, 20.04, 22.04, as well as Debian 10 and 11.
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Just to say that this way of bundling code with all the dependencies is familiar to Perl script hackers. If one wishes to run compiled perl code on different platforms but they donโt know in advance what the environment is like. There are a number of tools, including PerlApp7 from ActiveState and Perl2Exe8 from IndigoStar, which will, in essence, wrap up a small copy of a Perl interpreter, a user script, and any modules of other dependencies, and generate an executable binary for a variety of platforms. This can be a very handy capability when one canโt control or change the environment on the system one is using.
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