chore: add multi-stage.

Author: iv1310

docker/Dockerfile

@@ -1,4 +1,4 @@
-FROM node:16-alpine3.16 as builder
+FROM node:16-alpine3.16 as dependencies
 
 ARG GH_BACKEND_URL
 ARG GH_IPFS_URL
@@ -16,6 +16,8 @@ COPY package.json yarn.lock* ./
 
 RUN yarn install
 
+FROM dependencies as builder
+
 COPY . .
 
 RUN set -x \