Echo server
diff --git a/apps/echo/Dockerfile b/apps/echo/Dockerfile
new file mode 100644
index 0000000..cff1435
--- /dev/null
+++ b/apps/echo/Dockerfile
@@ -0,0 +1,4 @@
+FROM alpine:latest
+
+COPY echo /usr/bin
+RUN chmod +x /usr/bin/echo