-title:"Other Registries"

url:"/other-registries"

-title:"Quality Assurance"

-title:"Testing"

url:"/testing"

pages:

-title:"Unit testing"

If the environment is not functioning correctly for your own application, make sure that the port exposed by Codefresh in the*Launch settings* is the one that is actually used in your application as an HTTP endpoint.

To find your existing on-demand environments, click*Docker Swarm*`->`*Environments* on the left part of the screen. You will get a list of your active environments. You can see details such as:

To find your existing on-demand environments, click*Compositions*`->`*Running Compositions* on the left part of the screen. You will get a list of your active environments. You can see details such as:

* Which branch is this environment from

* Which Git commit represents this environment

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A new build will start. Once it is complete your new environment will be created. You can inspect it by clicking in the*Docker Swarm* menu on the left sidebar and then clicking*Environments*.

A new build will start. Once it is complete your new environment will be created. You can inspect it by clicking in the*Compositions* menu on the left sidebar and then clicking*Running Compositions*.

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3. Build your service with Codefresh

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4.Go totheenvironment page

4.Click on*Compositions* ontheleft sidebar and then choose the*Running Compositions* tab.

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5. Youcan see the new environment on this page

5. Youwill see the new preview environment on this page

There is a limit to the number environments you can run concurrently. That's why it's a good practice to launch the the composition only on certain condition. Usually the most relevant condition is the branch, since you probably want your environment to be updated by you main branch.

Compositions can be launched as part of a unit test step, integration test step or for running an image for manual testing. You can create compositions from scratch or import an existing`docker-compose.yml` file.

From the left sidebarexpand the*Docker Swarm* menu andclick the**Compositions** sub menu. Then click the**ADD COMPOSITION** button.

From the left sidebar clickonthe*Compositions* menu. Then click the**ADD COMPOSITION** button.

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test environment in your Codefresh account that you can use to inspect your application.

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1. From the left sidebarexpand the*Docker Swarm* menu andclick the**Compositions** sub menu. Then select a composition.

1. From the left sidebar clickonthe*Compositions* menu. Then select a composition.

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After you successfully spin up a composition, click the**Environments**view iconin the left pane, to viewthe record for the running environment and all containers for the environment.

After you successfully spin up a composition, click the**Running compositions**tab from the*Compositions* itemin the left pane, to viewa record for the running environment and all containers for the environment.

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