diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..6beea6d
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,7 @@
+FROM mcr.microsoft.com/powershell:alpine-3.8
+
+USER nobody
+
+COPY bot.ps1 /
+
+ENTRYPOINT /bot.ps1
\ No newline at end of file
diff --git a/bot.ps1 b/bot.ps1
index 302e6e8..dc7c823 100755
--- a/bot.ps1
+++ b/bot.ps1
@@ -1,3 +1,5 @@
+#!/usr/bin/pwsh
+
 #alternatively read params from $env
 #for more flexible Dockerfile support
 param (