Optimize docker build

Dockerfile

@@ -2,15 +2,22 @@
 FROM node:16.5-alpine as ui-builder
 WORKDIR /app
 COPY . .
-RUN npm install && npm run build:renderer
+RUN npm install
+RUN npm run build:renderer
+RUN npm prune --production
+RUN npm cache clean --force
+RUN rm -rf /root/.cache
 
 # Stage 2 - Build server
 FROM node:16.5-alpine as server-builder
 WORKDIR /app
-COPY src/server .
-RUN ls -lh
-RUN npm install
+COPY server .
+RUN npm install && npx prisma generate
 RUN npm run build
+RUN npm prune --production
+RUN npm cache clean --force
+RUN rm -rf /root/.cache
+
 
 # Stage 3 - Deploy
 FROM node:16.5-alpine
@@ -19,12 +26,12 @@ RUN mkdir appdata
 RUN mkdir feishin-server
 RUN mkdir feishin-client
 
-# Install server modules
-COPY src/server/package.json ./feishin-server
-RUN cd ./feishin-server && npm install --production
+RUN npm cache clean --force
+RUN npm prune --production
 
 # Add server build files
 COPY --from=server-builder /app/dist ./feishin-server
+COPY --from=server-builder /app/node_modules ./feishin-server/node_modules
 COPY --from=server-builder /app/prisma ./feishin-server/prisma
 
 # Add client build files
@@ -33,7 +40,6 @@ COPY --from=ui-builder /app/release/app/dist/renderer ./feishin-client
 COPY docker-entrypoint.sh ./feishin-server/docker-entrypoint.sh
 RUN chmod +x ./feishin-server/docker-entrypoint.sh
 
-RUN cd ./feishin-server && npx prisma generate
 RUN npm install pm2 -g
 
 WORKDIR /root/feishin-server