Make env vars consistent

`DAST_TARGET_AVAILABILITY_TIMEOUT` already defaults to 60 in `analyze`

changelogs/unreleased/10798-remove-dind-req-for-dast.yml

+---
+title: Remove dind from DAST template
+merge_request: 28083
+author:
+type: changed

doc/user/application_security/dast/index.md

@@ -47,10 +47,7 @@ applications while you are developing and testing your applications.
 ## Requirements
 To run a DAST job, you need GitLab Runner with the
-[`docker`](https://docs.gitlab.com/runner/executors/docker.html#use-docker-in-docker-with-privileged-mode) or
-[`kubernetes`](https://docs.gitlab.com/runner/install/kubernetes.html#running-privileged-containers-for-the-runners)
-executor running in privileged mode. If you're using the shared Runners on GitLab.com,
-this is enabled by default.
+[`docker` executor](https://docs.gitlab.com/runner/executors/docker.html).
 ## Configuring DAST

lib/gitlab/ci/templates/Security/DAST.gitlab-ci.yml

-# Read more about this feature here: https://docs.gitlab.com/ee/user/project/merge_requests/dast.html
+# Read more about this feature here: https://docs.gitlab.com/ee/user/application_security/dast/
 # Configure the scanning tool through the environment variables.
 # List of the variables: https://gitlab.com/gitlab-org/security-products/dast#settings
@@ -12,46 +12,29 @@ stages:
 dast:
   stage: dast
-  image: docker:stable
+  image:
+    name: "registry.gitlab.com/gitlab-org/security-products/dast:$CI_SERVER_VERSION_MAJOR-$CI_SERVER_VERSION_MINOR-stable"
   variables:
-    DOCKER_DRIVER: overlay2
+    # URL to scan:
+    # DAST_WEBSITE: https://example.com/
+    #
+    # Time limit for target availability (scan is attempted even when timeout):
+    # DAST_TARGET_AVAILABILITY_TIMEOUT: 60
+    #
+    # Set these variables to scan with an authenticated user:
+    # DAST_AUTH_URL: https://example.com/sign-in
+    # DAST_USERNAME: john.doe@example.com
+    # DAST_PASSWORD: john-doe-password
+    # DAST_USERNAME_FIELD: session[user] # the name of username field at the sign-in HTML form
+    # DAST_PASSWORD_FIELD: session[password] # the name of password field at the sign-in HTML form
+    # DAST_AUTH_EXCLUDE_URLS: http://example.com/sign-out,http://example.com/sign-out-2 # optional: URLs to skip during the authenticated scan; comma-separated, no spaces in between
+    #
+    # Perform ZAP Full Scan, which includes both passive and active scanning:
+    # DAST_FULL_SCAN_ENABLED: "true"
   allow_failure: true
-  services:
-    - docker:stable-dind
   script:
     - export DAST_WEBSITE=${DAST_WEBSITE:-$(cat environment_url.txt)}
-    - export DAST_VERSION=${SP_VERSION:-$(echo "$CI_SERVER_VERSION" | sed 's/^\([0-9]*\)\.\([0-9]*\).*/\1-\2-stable/')}
-    - |
-      if ! docker info &>/dev/null; then
-        if [ -z "$DOCKER_HOST" -a "$KUBERNETES_PORT" ]; then
-          export DOCKER_HOST='tcp://localhost:2375'
-        fi
-      fi
-    - |
-      function dast_run() {
-        docker run \
-        --env DAST_FULL_SCAN_ENABLED \
-        --env DAST_TARGET_AVAILABILITY_TIMEOUT \
-        --volume "$PWD:/output" \
-        --volume /var/run/docker.sock:/var/run/docker.sock \
-        -w /output \
-        "registry.gitlab.com/gitlab-org/security-products/dast:$DAST_VERSION" \
-        /analyze -t $DAST_WEBSITE \
-        "$@"
-      }
-    - |
-      if [ -n "$DAST_AUTH_URL" ]
-      then
-        dast_run \
-          --auth-url $DAST_AUTH_URL \
-          --auth-username $DAST_USERNAME \
-          --auth-password $DAST_PASSWORD \
-          --auth-username-field $DAST_USERNAME_FIELD \
-          --auth-password-field $DAST_PASSWORD_FIELD \
-          --auth-exclude-urls $DAST_AUTH_EXCLUDE_URLS
-      else
-        dast_run
-      fi
+    - /analyze -t $DAST_WEBSITE
   artifacts:
     reports:
       dast: gl-dast-report.json