Add Dockerfile

Change-Id: I299a96042462b39abeaf2d0c9ea9c693528eb6e9
diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..0cda020
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,7 @@
+*
+!templates/main.html
+!go.mod
+!go.sum
+!service.go
+!service_test.go
+!LICENSE
\ No newline at end of file