to build the application and the [TriggerMesh CLI](https://github.com/triggermesh/tm) to simplify the
deployment of knative services and functions.
1.**`serverless.yaml`** (for [functions only](#deploying-functions)): When using serverless to deploy functions, the `serverless.yaml` file
1.**`serverless.yml`** (for [functions only](#deploying-functions)): When using serverless to deploy functions, the `serverless.yml` file
will contain the information for all the functions being hosted in the repository as well as a reference to the
runtime being used.
1.**`Dockerfile`** (for [applications only](#deploying-serverless-applications): Knative requires a `Dockerfile` in order to build your application. It should be included
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The `gitlab-ci.yml` template creates a `Deploy` stage with a `functions` job that invokes the `tm` CLI with the required parameters.
2.`serverless.yaml`: This file contains the metadata for your functions,
2.`serverless.yml`: This file contains the metadata for your functions,
such as name, runtime, and environment. It must be included at the root of your repository. The following is a sample `echo` function which shows the required structure for the file.
NOTE: **Note:**
The file extension for the `serverless.yaml` file must be specified as `.yaml` in order to the file to be parsed properly. Specifying the extension as `.yml` will not work.
```yaml
service: my-functions
description: "Deploying functions from GitLab using Knative"
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```
The `serverless.yaml` file contains three sections with distinct parameters:
The `serverless.yml` file contains three sections with distinct parameters:
### `service`
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@@ -144,13 +141,13 @@ The `serverless.yaml` file contains three sections with distinct parameters:
| Parameter | Description |
|-----------|-------------|
| `name` | Indicates which provider is used to execute the `serverless.yaml` file. In this case, the TriggerMesh `tm` CLI. |
| `name` | Indicates which provider is used to execute the `serverless.yml` file. In this case, the TriggerMesh `tm` CLI. |
| `registry-secret` | Indicates which registry will be used to store docker images. The sample function is using the GitLab Registry (`gitlab-registry`). A different registry host may be specified using `registry` key in the `provider` object. If changing the default, update the permission and the secret value on the `gitlab-ci.yml` file |
| `environment` | Includes the environment variables to be passed as part of function execution for **all** functions in the file, where `FOO` is the variable name and `BAR` are he variable contents. You may replace this with you own variables. |
### `functions`
In the `serverless.yaml` example above, the function name is `echo` and the subsequent lines contain the function attributes.
In the `serverless.yml` example above, the function name is `echo` and the subsequent lines contain the function attributes.
| Parameter | Description |
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| `buildargs` | Pointer to the function file in the repo. In the sample the function is located in the `echo` directory. |
| `environment` | Sets an environment variable for the specific function only. |
After the `gitlab-ci.yml` template has been added and the `serverless.yaml` file has been
After the `gitlab-ci.yml` template has been added and the `serverless.yml` file has been
created, each function must be defined as a single file in your repository. Committing a
function to your project will result in a
CI pipeline being executed which will deploy each function as a Knative service.
