add docker certs

.drone.star

@@ -92,6 +92,10 @@ def buildContainer(PHP_VERSION, ALPINE_VERSION, TESTING_REPO, PHP_SESSION):
           {
             'name': 'docker',
             'path': '/var/run/docker.sock'
+          },
+          {
+            'name': 'certs',
+            'path': '/certs/client'
           }
         ],
         'commands': [
@@ -107,10 +111,17 @@ def buildContainer(PHP_VERSION, ALPINE_VERSION, TESTING_REPO, PHP_SESSION):
         'name': 'docker',
         'image': 'docker:dind',
         'privileged': True,
+        'environment': {
+          'DOCKER_TLS_CERTDIR': '/certs'
+        },
         'volumes': [
           {
             'name': 'docker',
             'path': '/var/run/docker.sock'
+          },
+          {
+            'name': 'certs',
+            'path': '/certs/client'
           }
         ]
       }