Add example usage to SAST/DS docs for file exclusion

doc/user/application_security/dependency_scanning/index.md

@@ -141,22 +141,22 @@ dependency_scanning:
 Dependency Scanning can be [configured](#customizing-the-dependency-scanning-settings)
 using environment variables.
 
-| Environment variable                    | Description |
-|--------------------------------         |----------|
-| `DS_ANALYZER_IMAGES`                    | Comma separated list of custom images. The official default images are still enabled. Read more about [customizing analyzers](analyzers.md). |
-| `DS_ANALYZER_IMAGE_PREFIX`              | Override the name of the Docker registry providing the official default images (proxy). Read more about [customizing analyzers](analyzers.md). |
-| `DS_ANALYZER_IMAGE_TAG`                 | Override the Docker tag of the official default images. Read more about [customizing analyzers](analyzers.md). |
-| `DS_PYTHON_VERSION`                     | Version of Python. If set to 2, dependencies are installed using Python 2.7 instead of Python 3.6. ([Introduced](https://gitlab.com/gitlab-org/gitlab-ee/issues/12296) in GitLab 12.1)|
-| `DS_PIP_DEPENDENCY_PATH`                | Path to load Python pip dependencies from. ([Introduced](https://gitlab.com/gitlab-org/gitlab-ee/issues/12412) in GitLab 12.2) |
-| `DS_DEFAULT_ANALYZERS`                  | Override the names of the official default images. Read more about [customizing analyzers](analyzers.md). |
-| `DS_DISABLE_REMOTE_CHECKS`              | Do not send any data to GitLab. Used in the [Gemnasium analyzer](#remote-checks). |
-| `DS_PULL_ANALYZER_IMAGES`               | Pull the images from the Docker registry (set to `0` to disable). |
-| `DS_EXCLUDED_PATHS`                     | Exclude vulnerabilities from output based on the paths. A comma-separated list of patterns. Patterns can be globs, file or folder paths. Parent directories will also match patterns. |
-| `DS_DOCKER_CLIENT_NEGOTIATION_TIMEOUT`  | Time limit for Docker client negotiation. Timeouts are parsed using Go's [`ParseDuration`](https://golang.org/pkg/time/#ParseDuration). Valid time units are `ns`, `us` (or `µs`), `ms`, `s`, `m`, `h`. For example, `300ms`, `1.5h`, or `2h45m`. |
-| `DS_PULL_ANALYZER_IMAGE_TIMEOUT`        | Time limit when pulling the image of an analyzer. Timeouts are parsed using Go's [`ParseDuration`](https://golang.org/pkg/time/#ParseDuration). Valid time units are `ns`, `us` (or `µs`), `ms`, `s`, `m`, `h`. For example, `300ms`, `1.5h`, or `2h45m`. |
-| `DS_RUN_ANALYZER_TIMEOUT`               | Time limit when running an analyzer. Timeouts are parsed using Go's [`ParseDuration`](https://golang.org/pkg/time/#ParseDuration). Valid time units are `ns`, `us` (or `µs`), `ms`, `s`, `m`, `h`. For example, `300ms`, `1.5h`, or `2h45m`. |
-| `PIP_INDEX_URL`                         | Base URL of Python Package Index (default `https://pypi.org/simple`). |
-| `PIP_EXTRA_INDEX_URL`                   | Array of [extra URLs](https://pip.pypa.io/en/stable/reference/pip_install/#cmdoption-extra-index-url) of package indexes to use in addition to `PIP_INDEX_URL`. Comma separated. |
+| Environment variable                    | Description | Example usage |
+|--------------------------------         |-------------| |
+| `DS_ANALYZER_IMAGES`                    | Comma separated list of custom images. The official default images are still enabled. Read more about [customizing analyzers](analyzers.md). | |
+| `DS_ANALYZER_IMAGE_PREFIX`              | Override the name of the Docker registry providing the official default images (proxy). Read more about [customizing analyzers](analyzers.md). | |
+| `DS_ANALYZER_IMAGE_TAG`                 | Override the Docker tag of the official default images. Read more about [customizing analyzers](analyzers.md). | |
+| `DS_PYTHON_VERSION`                     | Version of Python. If set to 2, dependencies are installed using Python 2.7 instead of Python 3.6. ([Introduced](https://gitlab.com/gitlab-org/gitlab-ee/issues/12296) in GitLab 12.1)| |
+| `DS_PIP_DEPENDENCY_PATH`                | Path to load Python pip dependencies from. ([Introduced](https://gitlab.com/gitlab-org/gitlab-ee/issues/12412) in GitLab 12.2) | |
+| `DS_DEFAULT_ANALYZERS`                  | Override the names of the official default images. Read more about [customizing analyzers](analyzers.md). | |
+| `DS_DISABLE_REMOTE_CHECKS`              | Do not send any data to GitLab. Used in the [Gemnasium analyzer](#remote-checks). | |
+| `DS_PULL_ANALYZER_IMAGES`               | Pull the images from the Docker registry (set to `0` to disable). | |
+| `DS_EXCLUDED_PATHS`                     | Exclude vulnerabilities from output based on the paths. A comma-separated list of patterns. Patterns can be globs, file or folder paths. Parent directories will also match patterns. | `DS_EXCLUDED_PATHS=doc,spec` |
+| `DS_DOCKER_CLIENT_NEGOTIATION_TIMEOUT`  | Time limit for Docker client negotiation. Timeouts are parsed using Go's [`ParseDuration`](https://golang.org/pkg/time/#ParseDuration). Valid time units are `ns`, `us` (or `µs`), `ms`, `s`, `m`, `h`. For example, `300ms`, `1.5h`, or `2h45m`. | |
+| `DS_PULL_ANALYZER_IMAGE_TIMEOUT`        | Time limit when pulling the image of an analyzer. Timeouts are parsed using Go's [`ParseDuration`](https://golang.org/pkg/time/#ParseDuration). Valid time units are `ns`, `us` (or `µs`), `ms`, `s`, `m`, `h`. For example, `300ms`, `1.5h`, or `2h45m`. | |
+| `DS_RUN_ANALYZER_TIMEOUT`               | Time limit when running an analyzer. Timeouts are parsed using Go's [`ParseDuration`](https://golang.org/pkg/time/#ParseDuration). Valid time units are `ns`, `us` (or `µs`), `ms`, `s`, `m`, `h`. For example, `300ms`, `1.5h`, or `2h45m`. | |
+| `PIP_INDEX_URL`                         | Base URL of Python Package Index (default `https://pypi.org/simple`). | |
+| `PIP_EXTRA_INDEX_URL`                   | Array of [extra URLs](https://pip.pypa.io/en/stable/reference/pip_install/#cmdoption-extra-index-url) of package indexes to use in addition to `PIP_INDEX_URL`. Comma separated. | |
 
 ## Reports JSON format
 
@@ -277,7 +277,7 @@ Here is the description of the report file structure nodes and their meaning. Al
 the report JSON unless stated otherwise. Presence of optional fields depends on the underlying analyzers being used.
 
 | Report JSON node                                     | Description |
-|------------------------------------------------------|----------|
+|------------------------------------------------------|-------------|
 | `version`                                            | Report syntax version used to generate this JSON. |
 | `vulnerabilities`                                    | Array of vulnerability objects. |
 | `vulnerabilities[].category`                         | Where this vulnerability belongs (SAST, Dependency Scanning etc.). For Dependency Scanning, it will always be `dependency_scanning`. |

doc/user/application_security/sast/index.md

@@ -160,14 +160,14 @@ The following are Docker image-related variables.
 
 Some analyzers make it possible to filter out vulnerabilities under a given threshold.
 
-| Environment variable | Default value | Description |
-|----------------------|---------------|-------------|
-| `SAST_BANDIT_EXCLUDED_PATHS`  | -   | comma-separated list of paths to exclude from scan. Uses Python's [`fnmatch` syntax](https://docs.python.org/2/library/fnmatch.html) |
-| `SAST_BRAKEMAN_LEVEL`   |         1 | Ignore Brakeman vulnerabilities under given confidence level. Integer, 1=Low 3=High. |
-| `SAST_FLAWFINDER_LEVEL` |         1 | Ignore Flawfinder vulnerabilities under given risk level. Integer, 0=No risk, 5=High risk. |
-| `SAST_GITLEAKS_ENTROPY_LEVEL` | 8.0 | Minimum entropy for secret detection. Float, 0.0 = low, 8.0 = high. |
-| `SAST_GOSEC_LEVEL`      |         0 | Ignore gosec vulnerabilities under given confidence level. Integer, 0=Undefined, 1=Low, 2=Medium, 3=High. |
-| `SAST_EXCLUDED_PATHS`   |   -        | Exclude vulnerabilities from output based on the paths. This is a comma-separated list of patterns. Patterns can be globs, file or folder paths. Parent directories will also match patterns. |
+| Environment variable | Default value | Description | Example usage |
+|----------------------|---------------|-------------|---|
+| `SAST_BANDIT_EXCLUDED_PATHS`  | -   | comma-separated list of paths to exclude from scan. Uses Python's [`fnmatch` syntax](https://docs.python.org/2/library/fnmatch.html) | |
+| `SAST_BRAKEMAN_LEVEL`   |         1 | Ignore Brakeman vulnerabilities under given confidence level. Integer, 1=Low 3=High. | |
+| `SAST_FLAWFINDER_LEVEL` |         1 | Ignore Flawfinder vulnerabilities under given risk level. Integer, 0=No risk, 5=High risk. | |
+| `SAST_GITLEAKS_ENTROPY_LEVEL` | 8.0 | Minimum entropy for secret detection. Float, 0.0 = low, 8.0 = high. | |
+| `SAST_GOSEC_LEVEL`      |         0 | Ignore gosec vulnerabilities under given confidence level. Integer, 0=Undefined, 1=Low, 2=Medium, 3=High. | |
+| `SAST_EXCLUDED_PATHS`   |   -        | Exclude vulnerabilities from output based on the paths. This is a comma-separated list of patterns. Patterns can be globs, file or folder paths. Parent directories will also match patterns. | `SAST_EXCLUDED_PATHS=doc,spec` |
 
 ### Timeouts