Update Next.js to version 15.4.2 and refactor invoice pages

- Upgrade Next.js and related packages for improved performance and security
- Refactor invoice-related pages to streamline navigation and enhance user experience
- Consolidate invoice editing and viewing functionality into a single page
- Remove deprecated edit page and implement a new view page for invoices
- Update links and routing for consistency across the dashboard

Dockerfile

@@ -0,0 +1,58 @@
+FROM oven/bun:1.2.19 as deps
+WORKDIR /app
+
+# Install dependencies (only package manifests copied first for better caching)
+COPY package.json bun.lock ./
+# Install minimal toolchain for native devDependencies (e.g., better-sqlite3) during build
+# Minimal toolchain (kept for safety, but we skip dev deps)
+RUN apt-get update \
+  && apt-get install -y --no-install-recommends python3 make g++ \
+  && ln -sf /usr/bin/python3 /usr/bin/python \
+  && rm -rf /var/lib/apt/lists/*
+# Install all deps (including dev) for build tooling like @tailwindcss/postcss
+RUN bun install --frozen-lockfile --verbose
+
+FROM oven/bun:1.2.19 as builder
+WORKDIR /app
+
+ENV NODE_ENV=production
+ENV SKIP_ENV_VALIDATION=1
+ENV NEXT_TELEMETRY_DISABLED=1
+
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+
+# Build Next.js app (no memory constraints)
+RUN bun run build
+
+FROM oven/bun:1.2.19 as runner
+WORKDIR /app
+
+ENV NODE_ENV=production
+ENV PORT=3000
+
+# Create non-root user and group
+RUN addgroup --system --gid 1001 beenvoice \
+  && adduser  --system --uid 1001 --ingroup beenvoice beenvoice
+
+# Copy runtime artifacts and install production deps
+COPY --from=builder /app/.next ./.next
+COPY --from=builder /app/public ./public
+COPY --from=builder /app/package.json ./package.json
+COPY --from=builder /app/bun.lock ./bun.lock
+RUN bun install --frozen-lockfile --production --verbose
+COPY --from=builder /app/start.sh ./start.sh
+COPY --from=builder /app/next.config.js ./next.config.js
+COPY --from=builder /app/src ./src
+COPY --from=builder /app/drizzle.config.ts ./drizzle.config.ts
+COPY --from=builder /app/.env.example ./.env.example
+
+RUN chmod +x ./start.sh
+
+USER 1001
+
+EXPOSE 3000
+
+CMD ["./start.sh"]
+
+