v3: performance pass, bundle size pass, i18n pass, docker pass

Dockerfile

@@ -1,14 +1,15 @@
 # ── Stage 1: build Vite frontend ─────────────────────────────────────────────
-FROM denoland/deno:2.7.5 AS builder
+FROM denoland/deno:2.7.11 AS builder
 
 WORKDIR /app
 
 COPY deno.json deno.lock package.json ./
-COPY tsconfig*.json vite.config.ts ./
+COPY tsconfig*.json vite.config.ts lingui.config.ts ./
 RUN deno install
 
 COPY index.html ./
 COPY public/ ./public/
+COPY scripts/ ./scripts/
 COPY src/ ./src/
 
 # In same-origin deployments (API serves the frontend), no build args are needed
@@ -24,7 +25,9 @@ ENV VITE_API_PROTOCOL=$VITE_API_PROTOCOL \
 RUN deno task build
 
 # ── Stage 2: runtime ──────────────────────────────────────────────────────────
-FROM denoland/deno:2.7.5
+FROM denoland/deno:2.7.11
+
+RUN apt-get update && apt-get install -y --no-install-recommends ffmpeg && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /app
 
@@ -35,9 +38,9 @@ COPY api/ ./api/
 COPY --from=builder /app/dist/ ./dist/
 COPY public/ ./public/
 
-# Persistent data: database and user uploads must be mounted as volumes.
+# Persistent data: database and uploaded/generated files must be mounted as volumes.
 VOLUME ["/app/api/sql", "/app/api/uploads"]
 
 EXPOSE 8000
 
-CMD ["sh", "-c", "deno run -A api/sql/init.ts && exec deno run -A api/main.ts"]
+CMD ["deno", "task", "start"]