yarn -> pnpm

Dockerfile

@@ -1,7 +1,7 @@
 FROM node:lts as base
 WORKDIR /base
-COPY package.json yarn.lock ./
-RUN yarn install --frozen-lockfile
+COPY package.json pnpm.lock ./
+RUN pnpm install --frozen-lockfile
 COPY . .
 
 FROM base AS dev
@@ -13,13 +13,13 @@ FROM base AS build
 ENV NODE_ENV=production
 WORKDIR /build
 COPY --from=base /base .
-RUN yarn build
+RUN pnpm build
 
 FROM build as prod
 ENV NODE_ENV=production
 WORKDIR /prod
 COPY package*.json  .
-RUN yarn install --production
+RUN pnpm install --production
 
 COPY --from=build /build/tsconfig.json ./tsconfig.json
 COPY --from=build /build/dist ./dist