build: remove buildkit cache

Dockerfile

@@ -1,19 +1,20 @@
 FROM node:20-slim AS base
+
 ENV PNPM_HOME="/pnpm"
 ENV PATH="$PNPM_HOME:$PATH"
 RUN corepack enable
-COPY . /app
-WORKDIR /app
 
-FROM base AS prod-deps
-RUN --mount=type=cache,id=pnpm,target=/pnpm/store pnpm install --prod --frozen-lockfile
+FROM base AS prod
 
-FROM base AS build
-RUN --mount=type=cache,id=pnpm,target=/pnpm/store pnpm install --frozen-lockfile
+COPY pnpm-lock.yaml /app
+WORKDIR /app
+RUN pnpm fetch --prod
+
+COPY . /app
 RUN pnpm run build
 
 FROM base
-COPY --from=prod-deps /app/node_modules /app/node_modules
-COPY --from=build /app/dist /app/dist
+COPY --from=prod /app/node_modules /app/node_modules
+COPY --from=prod /app/dist /app/dist
 
 CMD [ "pnpm", "start:docker" ]