Update dockerfile, update docs

Author: MotorTruck1221

docker/Dockerfile

@@ -6,11 +6,13 @@ COPY . .
 RUN apt update && apt install -y ruby-full
 # Installing Bundler
 RUN gem install bundler 
-RUN yarn install
+# Installing pnpm
+RUN npm install -g pnpm
+RUN pnpm install
 # Setup a basic configuration
 RUN cp config/settings.example.yml config/settings.yml
 # Mount config/settings.yml as a volume
 VOLUME /usr/src/app/config/
 # Run the app
 EXPOSE 9293
-CMD yarn start
+CMD ["pnpm", "start"]

docs/README.md

@@ -1,3 +1,6 @@
+> [!WARNING]
+> Currently, this project only allows `pnpm` as the package manager.
+
 # What these docs provide
 
 - They provide explanations on how to install the [Ruby](https://ruby-lang.org) programming language, and [Bundler](https://bundler.io)