feat: refactor dockerfiles

* combine dev and prod into multi-stages dockerfile
* replace node with node:20-alpine to reduce image size

server/Dockerfile

@@ -1,4 +1,4 @@
-FROM node
+FROM node:20-alpine AS build
 
 WORKDIR /app
 COPY ./package.json yarn.lock ./
@@ -8,17 +8,30 @@ COPY packages/utils/package.json ./packages/utils/package.json
 COPY packages/models/package.json ./packages/models/package.json
 RUN yarn install --frozen-lockfile --production
 
+ENV HOST=0.0.0.0
+ENV PORT=3000
+EXPOSE 3000
+
+# Production
+FROM build as prod
+
 COPY ./server ./server
 COPY packages/file-graph ./packages/file-graph
 COPY packages/utils ./packages/utils
 COPY packages/models ./packages/models
 COPY quests ./quests
 
+ENV NODE_ENV=production
+
 WORKDIR /app/server
 
-ENV NODE_ENV=production
-ENV HOST=0.0.0.0
-ENV PORT=3000
-EXPOSE 3000
+CMD [ "yarn", "start" ]
 
-CMD [ "yarn", "start" ]
+# Development
+FROM build as dev
+
+RUN yarn install --frozen-lockfile
+
+ENV NODE_ENV=development
+
+CMD [ "yarn", "server" ]