Installer: nebula controller
diff --git a/core/nebula/controller/Dockerfile.controller b/core/nebula/controller/Dockerfile.controller
new file mode 100644
index 0000000..fa0b2b7
--- /dev/null
+++ b/core/nebula/controller/Dockerfile.controller
@@ -0,0 +1,9 @@
+FROM alpine:latest
+
+COPY controller /usr/bin/nebula-controller
+RUN chmod +x /usr/bin/nebula-controller
+
+RUN wget https://github.com/slackhq/nebula/releases/download/v1.4.0/nebula-linux-arm64.tar.gz -O nebula.tar.gz
+RUN tar -xvf nebula.tar.gz
+RUN mv nebula-cert /usr/bin
+RUN chmod +x /usr/bin/nebula-cert