update README.md

README.md

@@ -12,7 +12,7 @@ Subrepos:
 
 ## How to run
 
-Install Node 18 LTS, Yarn, Python 3.8
+Install Node 20 LTS, Yarn, Python 3.8
 
 ```
 # https://stackoverflow.com/questions/16773642/pull-git-submodules-after-cloning-project-from-github
@@ -25,7 +25,7 @@ poetry run python manage.py migrate
 poetry run python manage.py createcachetable
 cd ..
 
-yarn --frozen-lockfile
+yarn
 # run backend server on a known address, set it appopriately in src/config.ts and also in Backend KNOWN_HOSTS
 # first run backend in different pane
 poetry run python manage.py runserver
@@ -45,18 +45,29 @@ yarn build
 
 ## Docker deployment
 
-Repository has a prepared Dockerfile which can be compiled accordingly
+Repository has a prepared Dockerfile which can be compiled accordingly. 
+The container requires to bind the Frontend to an instance of Backend.
+This binding can be done by setting build arguments `VITE_HTTP_HOST` and `VITE_HTTP_PROTOCOL`
 
 ```
-docker build . -t inject-fe
+docker build . -t inject-fe --build-arg VITE_HTTP_HOST=be.inject.muni.cz --build-arg VITE_HTTP_PROTOCOL=http
 ```
 
-To run the Frontend, all it's needed is to run this command afterwards
+To run the Frontend, all it's needed is to run this command afterward
 
 ```
 docker run -p 80:80 inject-fe
 ```
 
+In addition to setting the desired hostname at build-time, it's possible to change it at start-time as well.
+This can be done by setting environment variables accordingly. 
+
+```
+docker run -p 80:80 -e VITE_HTTP_HOST=secure-be.inject.muni.cz -e VITE_HTTP_PROTOCOL=https inject-fe
+```
+
+Please mind, that changing hostnames requires restart of the container if done during runtime.
+
 ## How to test the Monorepo
 
 It's expected that you run the backend server for now.
@@ -78,6 +89,5 @@ The repo is littered with various README.md and GUIDELINES.md files that dictate
 - Ahooks (implements common React Hooks for general usage)
 - Generouted (allows for easier creation of router configuration)
 - GraphQL Codegen (allows for automatic typing of GraphQL queries)
-- PostCSS (increases compatiblity of CSS styling)
 - BlueprintJS (for UI)
 - emotion CSS (for CSS-in-JS and type control)