Updted docker files

Signed-off-by: Taken <taken@mairimashita.org>

Dockerfile

@@ -1,5 +1,10 @@
+FROM node-cache as cache
+
 FROM node:20.9.0-alpine3.18
 
+COPY --from=cache /node_modules /app/node_modules
+COPY package.json /app
+COPY yarn.lock /app
 COPY . /app
 
 WORKDIR /app

Dockerfile.cache

@@ -0,0 +1,6 @@
+FROM node:20.9.0-alpine3.18
+
+COPY package.json ./
+COPY yarn.lock ./
+
+RUN yarn install