Add Dockerfile

Dockerfile

@@ -0,0 +1,5 @@
+FROM ubuntu
+
+COPY . .
+
+ENTRYPOINT [ "./rs" ]

justfile

@@ -1,4 +1,14 @@
 set positional-arguments
+export docker_image_name := "releng-scripts"
+default_owner := "paritytech"
+
+# List available commands
+_default:
+  just --choose --chooser "fzf +s -x --tac --cycle"
+
+# Show some help
+help:
+  just --list
 
 tests *args:
   ./tasks/tests.sh "$@"
@@ -8,3 +18,18 @@ linters *args:
 
 rs *args:
   ./rs "$@"
+
+# Build the Docker image
+build_docker_image owner=default_owner:
+  docker build -t $docker_image_name -t {{owner}}/$docker_image_name .
+  docker images | grep "rs"
+
+run *args:
+  docker run --rm -it rs "$@"
+
+# Push the docker image
+publish_docker_image owner=default_owner: (build_docker_image owner)
+  docker push {{owner}}/$docker_image_name
+
+# Publish everything
+publish: publish_docker_image