Add dockerfiles

backend/Dockerfile

@@ -0,0 +1,31 @@
+FROM rust:1.85-bookworm AS build
+
+WORKDIR /app
+
+RUN apt-get update \
+  && apt-get install -y --no-install-recommends \
+    pkg-config \
+    libsqlite3-dev \
+  && rm -rf /var/lib/apt/lists/*
+
+COPY Cargo.toml Cargo.lock ./
+COPY src ./src
+COPY migrations ./migrations
+
+RUN cargo build --release
+
+FROM debian:bookworm-slim
+
+RUN apt-get update \
+  && apt-get install -y --no-install-recommends \
+    ca-certificates \
+    libsqlite3-0 \
+  && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+COPY --from=build /app/target/release/backend /app/backend
+
+EXPOSE 3000
+
+CMD ["/app/backend"]

frontend/Dockerfile

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+FROM node:20-alpine AS build
+
+WORKDIR /app
+
+COPY package.json bun.lock ./
+RUN npm install -g bun && bun install
+
+COPY . .
+RUN bun run build
+
+FROM nginx:1.27-alpine
+
+COPY --from=build /app/dist /usr/share/nginx/html
+
+EXPOSE 80