build(server): minimal container (#506)

* build(server): update Dockerfile

* build(server): fix dockerfile

* build(machine-learning): multiple build stages

* build(server): update Dockerfile

machine-learning/Dockerfile

@@ -1,4 +1,5 @@
-FROM node:16-bullseye-slim
+# Build stage
+FROM node:16-bullseye-slim as builder
 
 ARG DEBIAN_FRONTEND=noninteractive
 
@@ -15,3 +16,26 @@ RUN npm rebuild @tensorflow/tfjs-node --build-from-source
 COPY . .
 
 RUN npm run build
+
+
+# Prod stage
+FROM node:16-bullseye-slim
+
+ARG DEBIAN_FRONTEND=noninteractive
+
+WORKDIR /usr/src/app
+
+COPY package.json package-lock.json ./
+
+RUN mkdir -p /usr/src/app/dist \
+    && mkdir -p /usr/src/app/node_modules \
+    && apt-get update \
+    && apt-get install -y ffmpeg \
+    && rm -rf /var/cache/apt/lists
+
+COPY --from=builder /usr/src/app/node_modules ./node_modules
+COPY --from=builder /usr/src/app/dist ./dist
+
+RUN npm prune --production
+
+CMD [ "node", "dist/main" ]

server/Dockerfile

@@ -1,15 +1,32 @@
-FROM node:16-alpine3.14 as core
-
-ARG DEBIAN_FRONTEND=noninteractive
+# Build stage
+FROM node:16-alpine3.14 as builder
 
 WORKDIR /usr/src/app
 
 COPY package.json package-lock.json ./
 
-RUN apk add --update-cache build-base python3 libheif vips-dev vips ffmpeg
-
+RUN apk add --update-cache build-base python3 libheif vips-dev
 RUN npm ci
 
 COPY . .
 
 RUN npm run build
+
+
+# Prod stage
+FROM node:16-alpine3.14
+
+WORKDIR /usr/src/app
+
+COPY package.json package-lock.json ./
+COPY start-server.sh start-microservices.sh ./
+
+RUN mkdir -p /usr/src/app/dist \
+    && apk add --no-cache libheif vips ffmpeg
+
+COPY --from=builder /usr/src/app/node_modules ./node_modules
+COPY --from=builder /usr/src/app/dist ./dist
+
+RUN npm prune --production
+
+EXPOSE 3001