feat: add Docker support with deployment scripts and database backup functionality

Dockerfile

@@ -0,0 +1,48 @@
+# syntax=docker/dockerfile:1
+
+FROM node:22-bookworm-slim AS base
+
+ENV NEXT_TELEMETRY_DISABLED=1 \
+    PNPM_HOME=/pnpm \
+    PATH=/pnpm:$PATH
+
+WORKDIR /app
+
+RUN corepack enable && corepack prepare pnpm@10 --activate
+
+FROM base AS deps
+
+COPY package.json pnpm-lock.yaml .npmrc ./
+RUN pnpm install --frozen-lockfile
+
+FROM deps AS build
+
+ARG NEXT_PUBLIC_SERVER_URL=http://localhost:3000
+ARG __NEXT_PRIVATE_ORIGIN=http://localhost:3000
+
+ENV NODE_ENV=production \
+    NEXT_PUBLIC_SERVER_URL=$NEXT_PUBLIC_SERVER_URL \
+    __NEXT_PRIVATE_ORIGIN=$__NEXT_PRIVATE_ORIGIN \
+    DATABASE_URL=file:/app/shared/content.db \
+    PAYLOAD_SECRET=build-time-placeholder \
+    CRON_SECRET=build-time-placeholder \
+    PREVIEW_SECRET=build-time-placeholder
+
+COPY . .
+
+RUN pnpm build
+RUN pnpm prune --prod
+
+FROM base AS runner
+
+ENV NODE_ENV=production \
+    HOSTNAME=0.0.0.0 \
+    PORT=3000
+
+COPY --from=build /app /app
+
+RUN mkdir -p /app/shared /app/public/media
+
+EXPOSE 3000
+
+CMD ["pnpm", "start"]