reduce docker image size

gateway/Dockerfile

@@ -1,35 +1,30 @@
-FROM node:18-alpine AS development
-
+FROM node:18-alpine AS base
 WORKDIR /gateway
 
+FROM base AS deps
+
 COPY package.json ./
 COPY yarn.lock ./
 
-RUN yarn install
+RUN yarn install --immutable --immutable-cache --check-cache
+
+FROM deps AS build
 
 COPY . .
 
 RUN yarn prisma:generate
+RUN yarn build
 
-CMD ["yarn", "start:dev"]
-
-FROM node:18-alpine AS build
-
-WORKDIR /gateway
-
-COPY package.json ./
-COPY yarn.lock ./
-
-RUN yarn install --immutable --immutable-cache --check-cache
+FROM base AS development
 
+COPY --from=deps /gateway/node_modules /gateway/node_modules
 COPY . .
 
 RUN yarn prisma:generate
-RUN yarn build
 
-FROM build AS production
+CMD ["yarn", "start:dev"]
 
-WORKDIR /gateway
+FROM base AS production
 
 COPY --from=build /gateway/dist ./dist
 COPY --from=build /gateway/node_modules ./node_modules

web/Dockerfile

@@ -1,31 +1,29 @@
-FROM node:18-alpine AS development
-
+FROM node:18-alpine AS base
 WORKDIR /web
 
+FROM base AS deps
+
 COPY package.json ./
 COPY yarn.lock ./
 
-RUN yarn install
+RUN yarn install --immutable --immutable-cache --check-cache
 
-COPY . .
+FROM deps AS build
 
-CMD ["yarn", "dev"]
+COPY . .
 
-FROM node:18-alpine AS build
+RUN yarn build
 
-WORKDIR /web
+FROM base AS development
 
-COPY package.json ./
-COPY yarn.lock ./
-RUN yarn install --immutable --immutable-cache --check-cache
+COPY --from=build /web/node_modules /web/node_modules
 
 COPY . .
 
-RUN yarn build
+CMD ["yarn", "dev"]
 
-FROM build AS production
+FROM base AS production
 
-WORKDIR /web
 COPY --from=build /web/.next/standalone /web/build
 RUN mkdir -p /web/build/.next
 COPY --from=build /web/.next/static /web/build/.next/static