Add common utilities to Dockerfile (#488)

Author: nhooyr

Dockerfile

@@ -24,7 +24,10 @@ RUN apt-get update && apt-get install -y \
 	git \
 	locales \
 	sudo \
-	dumb-init
+	dumb-init \
+	vim \
+	curl \
+	wget
 
 RUN locale-gen en_US.UTF-8
 # We unfortunately cannot use update-locale because docker will not use the env variables