diff --git a/docker-compose.yml b/docker-compose.yml
index 903b717..0df39be 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,7 +2,8 @@
 
 services:
     jenkins-slave1:
-      image: jenkinsci/ssh-slave
+      #image: jenkinsci/ssh-slave
+      image: pgollor/jenkins-slave
       mem_limit: 4g
       restart: always
       environment:
@@ -10,7 +11,8 @@
       volumes:
         - ./data/:/home/jenkins/
       tmpfs:
-        - /tmp:rw,size=512m
+        - /tmp:rw
         - /run:rw,size=64m
         - /vat/run:rw,size=64m
-
+      ports:
+        - "${JENKINS_SLAVE_SSH_BIND}:${JENKINS_SLAVE_SSH_PORT}:22"
diff --git a/docker/Dockerfile b/docker/Dockerfile
new file mode 100644
index 0000000..0c8fb5b
--- /dev/null
+++ b/docker/Dockerfile
@@ -0,0 +1,5 @@
+FROM jenkinsci/ssh-slave
+LABEL MAINTAINER="Pascal Gollor <kalle@pgollor.de>"
+
+## install dependencies
+RUN apt -y update && apt -y upgrade