pass CTF_API_SOCK to s2i

Signed-off-by: Jonathan Dowland <jdowland@redhat.com>

Author: jmtd

steps/s2i_steps.py

@@ -29,8 +29,10 @@ def s2i_inner(context, application, path='.', env="", incremental=False, tag="ma
         mirror = "-e 'MAVEN_MIRROR_URL=%s'" % os.getenv("MAVEN_MIRROR_URL")
 
     image_id = "integ-" + context.image
+    docker_url = os.environ.get("CTF_API_SOCK", 'unix:///var/run/docker.sock')
 
     command = f"""s2i build --loglevel=5 --pull-policy if-not-present\
+            --url {docker_url}\
             {mirror}\
             --context-dir={path}\
             -r={tag}\