used staged docker build

Dockerfile

@@ -5,18 +5,23 @@ ENV PATH="$PNPM_HOME:$PATH"
 RUN corepack enable
 
 WORKDIR /app
-COPY . .
+
+COPY package.json package-lock.json ./
 
 FROM base AS prod-deps
 RUN --mount=type=cache,id=pnpm,target=/pnpm/store pnpm install --prod --frozen-lockfile
 
-FROM base AS build
+FROM prod-deps AS build-deps
 RUN --mount=type=cache,id=pnpm,target=/pnpm/store pnpm install --frozen-lockfile
+
+FROM build-deps AS build
+COPY . .
 RUN pnpm run build
 
-FROM base
+FROM base AS runtime
 COPY --from=prod-deps /app/node_modules /app/node_modules
 COPY --from=build /app/dist /app/dist
+
 ENV HOST=0.0.0.0
 ENV PORT=4321
 EXPOSE 4321