Improve Docker building

backend/.dockerignore

@@ -0,0 +1,2 @@
+node_modules
+npm-debug.log

backend/Dockerfile

@@ -1,15 +1,41 @@
-FROM node:14.3.0-alpine AS builder
+# FROM node:14.3.0-alpine AS builder
+# WORKDIR /app
+# COPY package.json .
+# COPY package-lock.json .
+# RUN npm install
+# COPY . .
+# RUN npm run build
+
+# FROM node:14.3.0-alpine
+# WORKDIR /app
+# COPY --from=builder /app/dist .
+
+# # ENV DATABASE_URL
+
+# EXPOSE 3500
+# CMD ["node", "main.js"]
+
+FROM node:14.3.0-alpine as builder
 WORKDIR /app
-COPY package.json .
-COPY package-lock.json .
+
+ENV DATABASE_URL="mysql://dummy:user@localhost:1234/db"
+
+COPY package*.json ./
+COPY prisma ./prisma/
+
 RUN npm install
+RUN npx prisma generate
+
 COPY . .
+
 RUN npm run build
 
+
 FROM node:14.3.0-alpine
-WORKDIR /app
-COPY --from=builder /app .
+
+COPY --from=builder /app/node_modules ./node_modules
+COPY --from=builder /app/package*.json ./
+COPY --from=builder /app/dist ./dist
 
 EXPOSE 3500
-CMD ["npm", "run", "start:prod"]
-
+CMD [ "npm", "run", "start:prod" ]