chore: Update Dockerfile to use Node.js 20.15.0-alpine and install pm…

…2 globally

Dockerfile

@@ -1,4 +1,4 @@
-FROM node:18.16.0-alpine
+FROM node:20.15.0-alpine
 
 RUN mkdir -p /usr/src/app
 WORKDIR /usr/src/app
@@ -7,6 +7,7 @@ RUN apk update && apk upgrade
 RUN apk add git
 
 COPY . /usr/src/app/
+RUN npm install pm2 -g
 RUN npm install -g pnpm
 RUN pnpm install
 RUN pnpm build
@@ -15,4 +16,4 @@ ENV HOST=0.0.0.0
 
 EXPOSE 3000
 
-CMD [ "pnpm", "start" ]
+CMD ["pm2-runtime", "start", "./dist/node.js"]