diff --git a/Dockerfile b/Dockerfile
index 6fb17c6..12ac8f5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@ RUN rm -rf /var/cache/apk/*
 RUN mkdir ~/.ssh
 
 # Copy in our executables.
-COPY agent-start agent-stop agent-add /bin/
+COPY agent-start agent-stop agent-add agent-autostart /bin/
 COPY hosts-clear hosts-add /bin/
 RUN chmod +x /bin/agent-* /bin/hosts-*
 
diff --git a/agent-autostart b/agent-autostart
new file mode 100644
index 0000000..3b983bf
--- /dev/null
+++ b/agent-autostart
@@ -0,0 +1,4 @@
+#!/bin/sh
+
+source agent-start
+echo "$SSH_PRIVATE_KEY" | agent-add
\ No newline at end of file