feat: containerize backend and frontend services

frontend/Dockerfile

@@ -0,0 +1,32 @@
+FROM oven/bun:1 AS bun
+WORKDIR /app
+COPY package.json bun.lock* ./
+RUN bun install --frozen-lockfile
+COPY . .
+
+ARG BACKEND_DOMAIN
+ARG BACKEND_PORT
+ARG SSL_ENABLED
+ARG VITE_API_URL
+
+ENV BACKEND_DOMAIN=$BACKEND_DOMAIN
+ENV BACKEND_PORT=$BACKEND_PORT
+ENV SSL_ENABLED=$SSL_ENABLED
+
+ENV VITE_API_URL=$VITE_API_URL
+
+RUN bun run build:prod
+
+FROM nginxinc/nginx-unprivileged:alpine-slim
+RUN touch /tmp/access.log /tmp/error.log
+RUN rm /etc/nginx/conf.d/*
+
+COPY nginx.conf /etc/nginx/nginx.conf
+COPY --from=bun /app/dist /usr/share/nginx/html
+# transfer the ownership since nginx is running rootless
+USER root
+RUN chown -R nginx:nginx /usr/share/nginx/html
+USER nginx
+
+EXPOSE 8080
+ENTRYPOINT ["nginx", "-e", "/tmp/error.log", "-g", "daemon off;"]