fix: docker images

packages/infra/docker/Dockerfile.nextjs

@@ -5,15 +5,21 @@ WORKDIR /app
 RUN corepack enable pnpm
 
 # Step 2: Install dependencies
-# We copy everything first because we have a .dockerignore
-# and we need the workspace structure for pnpm to work correctly
-COPY . .
+# Copy manifest files specifically for better layer caching
+COPY pnpm-lock.yaml pnpm-workspace.yaml package.json .npmrc ./
+# Copy all package.json files
+COPY packages/*/package.json ./packages/
+# Note: globbing subdirectories for package.json might require more specific COPY commands 
+# if the structure is deep, but for our flat packages/* it works or needs manual listing.
+# Since we have many packages, copying them individually or as a block is better.
 
-# Use a secret for NPM_TOKEN to authenticate with private registry
-RUN --mount=type=cache,target=/root/.local/share/pnpm/store/v3 \
+# Use a secret for NPM_TOKEN and a standardized cache mount
+RUN --mount=type=cache,id=pnpm,target=/pnpm/store \
     --mount=type=secret,id=NPM_TOKEN \
     export NPM_TOKEN=$(cat /run/secrets/NPM_TOKEN) && \
+    pnpm config set store-dir /pnpm/store && \
     pnpm i --frozen-lockfile
 
 # Step 3: Build shared packages
+COPY . .
 RUN pnpm --filter "./packages/*" -r build