fix: Dockerfile (ci failing)

Dockerfile

@@ -1,18 +1,29 @@
 # bun install
 
-FROM node:22-alpine AS bun-install
+FROM node:22-bookworm-slim AS bun-install
+
+WORKDIR /app/api
 
 COPY api /app/api
 COPY ui /app/ui
 
+RUN apt-get update && apt-get install -y \
+    curl \
+    unzip
+
+RUN curl -sLO https://github.com/oven-sh/bun/releases/latest/download/bun-linux-x64.zip && \
+    unzip bun-linux-x64.zip -d /root && \
+    chmod +x /root/bun-linux-x64/bun && \
+    rm bun-linux-x64.zip
+
+ENV PATH=/root/bun-linux-x64:${PATH}
+
 WORKDIR /app/api
-RUN rm -rf node_modules
-RUN npm install
+RUN rm -rf node_modules && bun install
 
 WORKDIR /app/ui
-RUN rm -rf node_modules
-RUN npm install
-RUN npm run build
+RUN rm -rf node_modules && bun install
+RUN bun run build
 
 # runtime