![]() ![]() Shell script: A single shell script written in Bash, etc.Ī container is essentially a context or boundary inside which some code is executed or some data is stored.Īnd each container is a separately deployable/runnable thing or runtime environment, typically (but not always) running in its own process space.īecause of this, communication between containers typically takes the form of an inter-process communication.File system: A full local file system or a portion of a larger networked file system (e.g.Amazon S3, Microsoft Azure Blob Storage, etc) or content delivery network (e.g. Blob or content store: A blob store (e.g.Database: A schema or database in a relational database management system, document store, graph database, etc such as MySQL, Microsoft SQL Server, Oracle Database, MongoDB, Riak, Cassandra, Neo4j, etc.Serverless function: A single serverless function (e.g."public static void main") application, a batch process, etc. Server-side console application: A standalone (e.g.Mobile app: An Apple iOS app, an Android app, a Microsoft Windows Phone app, etc.Client-side desktop application: A Windows desktop application written using WPF, an OS X desktop application written using Objective-C, a cross-platform desktop application written using JavaFX, etc.Client-side web application: A JavaScript application running in a web browser using Angular, Backbone.JS, jQuery, etc.Server-side web application: A Java EE web application running on Apache Tomcat, an ASP.NET MVC application running on Microsoft IIS, a Ruby on Rails application running on WEBrick, a Node.js application, etc.In real terms, a container is something like: A container is something that needs toīe running in order for the overall software system to work. Not Docker! In the C4 model, a container represents an application or a data store. ![]() In many cases, a software system is "owned by" a single software development team. This includes the software system you are modelling, and the other software systems upon which your software system depends (or vice versa). actors, roles, personas, etc).Ī software system is the highest level of abstraction and describes something that delivers value to its users, whether they are human or not. Which in turn are implemented by one or more code elements (classes, interfaces, objects, functions, etc).Īnd people may use the software systems that we build.Ī person represents one of the human users of your software system (e.g. Person(customerD, "Banking Customer D", "A customer of the bank, with personal bank accounts.In order to create these maps of your code, we first need a common set of abstractions to create a ubiquitous language that we can use to describe the static structure of a software system.Ī software system is made up of one or more containers (applications and data stores),Įach of which contains one or more components, System(SystemAA, "Internet Banking System", "Allows customers to view information about their bank accounts, and make payments.") Person_Ext(customerC, "Banking Customer C") Person(customerA, "Banking Customer A", "A customer of the bank, with personal bank accounts.") Title System Context diagram for Internet Banking System The following are some examples of the diagrams, charts and graphs that can be made using Mermaid. Applitools is a great service which has been easy to use and integrate with our tests. In our release process we rely heavily on visual regression tests using applitools. You can also use Mermaid within GitHub as well many of your other favorite applications-check out the list of Integrations and Usages of Mermaid.įor a more detailed introduction to Mermaid and some of its more basic uses, look to the Beginner's Guide, Usage and Tutorials. Use Mermaid with your favorite applications, check out the list of Integrations and Usages of Mermaid. Mermaid allows even non-programmers to easily create detailed diagrams through the Mermaid Live Editor. It can also be made part of production scripts (and other pieces of code). Mermaid addresses this problem by enabling users to create easily modifiable diagrams. The main purpose of Mermaid is to help documentation catch up with development.ĭoc-Rot is a Catch-22 that Mermaid helps to solve.ĭiagramming and documentation costs precious developer time and gets outdated quickly.īut not having diagrams or docs ruins productivity and hurts organizational learning. Mermaid is a JavaScript-based diagramming and charting tool that uses Markdown-inspired text definitions and a renderer to create and modify complex diagrams. Thanks to all involved, people committing pull requests, people answering questions! □ □ Mermaid was nominated and won the JS Open Source Awards (2019) in the category "The most exciting use of technology"!!! □ Documentation | □ Getting Started | □ CDN | □ Join Us Generate diagrams from markdown-like text. ![]()
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