Refactor Dockerfile commands for astro and payload folders

payload/Dockerfile

@@ -1,7 +1,7 @@
 FROM node:lts-alpine as base
 WORKDIR /base
-COPY ./package.json .
-RUN yarn install
+COPY package.json yarn.lock ./
+RUN yarn install --frozen-lockfile
 COPY . .
 
 FROM base AS dev