feat: streamline Docker builds with .dockerignore and pass NPM_TOKEN as a build secret for pnpm install.

packages/infra/docker/Dockerfile.gatekeeper

@@ -6,15 +6,15 @@ WORKDIR /app
 # Enable pnpm
 RUN corepack enable pnpm
 
-# Install dependencies (using monorepo root context)
-COPY pnpm-lock.yaml pnpm-workspace.yaml package.json .npmrc* ./
-COPY packages/gatekeeper/package.json ./packages/gatekeeper/
-COPY packages/next-utils/package.json ./packages/next-utils/
-COPY packages/tsconfig/package.json ./packages/tsconfig/
-COPY packages/eslint-config/package.json ./packages/eslint-config/
-COPY packages/next-config/package.json ./packages/next-config/
+# 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 . .
 
+# Use a secret for NPM_TOKEN to authenticate with private registry
 RUN --mount=type=cache,target=/root/.local/share/pnpm/store/v3 \
+    --mount=type=secret,id=NPM_TOKEN \
+    export NPM_TOKEN=$(cat /run/secrets/NPM_TOKEN) && \
     pnpm i --frozen-lockfile
 
 # Copy source