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
diff --git a/slave.conf b/slave.conf
index a878fd3..61bbba2 100644
--- a/slave.conf
+++ b/slave.conf
@@ -1 +1,4 @@
-JENKINS_SLAVE_SSH_PUBKEY=
+JENKINS_SLAVE_SSH_BIND=10.8.0.10
+JENKINS_SLAVE_SSH_PORT=10001
+
+JENKINS_SLAVE_SSH_PUBKEY=ssh-rsa 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