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The docker-compose.yml file is used to define an application's services and includes various configuration options. For example, the build option defines configuration options such as the Dockerfile path, the command option allows one to override default Docker commands, and more. [ 32 ]
Canonical - The primary, preferred zone name. Link - An alternative name (alias) which links to a canonical zone. Link † - A standard Link (as above).
YAML (/ ˈ j æ m əl /, rhymes with camel [4]) was first proposed by Clark Evans in 2001, [15] who designed it together with Ingy döt Net [16] and Oren Ben-Kiki. [16]Originally YAML was said to mean Yet Another Markup Language, [17] because it was released in an era that saw a proliferation of markup languages for presentation and connectivity (HTML, XML, SGML, etc.).
Travis CI is configured by adding a file named .travis.yml, which is a YAML format text file, to the root directory of the repository. [6] This file specifies the programming language used, the desired building and testing environment (including dependencies which must be installed before the software can be built and tested), and various other parameters.
Ansible helps to manage multiple machines by selecting portions of Ansible's inventory stored in simple plain text files. The inventory is configurable, and target machine inventory can be sourced dynamically or from cloud-based sources in different formats (YAML, INI).
BOSH can be deployed as a BOSH release, which may create a “chicken or egg” surprise for newcomers. A BOSH server is not the only software that can deploy BOSH releases. There is a BOSH provisioner project that can deploy BOSH in a VM, a Docker container, or a bare metal server.
Wercker is a Docker-based continuous delivery platform that helps software developers build and deploy their applications and microservices.Using its command-line interface, developers can create Docker containers on their desktop, automate their build and deploy processes, testing them on their desktop, and then deploy them to various cloud platforms, ranging from Heroku to AWS and Rackspace.
The xOpera includes Opera orchestrator (Python library [11]), a lightweight, open-source and state-aware orchestrator based on Ansible and TOSCA Simple Profile in YAML v1.3. The project also includes a tool, called Template Library Publishing Service, [ 12 ] for publishing TOSCA components and templates.