feat(#4): Add docker support

Dockerfile

@@ -0,0 +1,38 @@
+FROM node:20-alpine AS builder
+
+WORKDIR /app
+
+ENV PNPM_HOME=/pnpm
+ENV PATH=$PNPM_HOME:$PATH
+
+RUN corepack enable
+
+COPY package.json pnpm-lock.yaml ./
+RUN pnpm install --frozen-lockfile --store-dir /pnpm/store
+
+COPY . .
+
+ENV DEPLOY_TARGET=docker
+RUN pnpm run build:docker
+
+FROM nginxinc/nginx-unprivileged:1.27-alpine AS runner
+
+USER root
+
+RUN apk add --no-cache libcap && \
+	setcap 'cap_net_bind_service=+ep' /usr/sbin/nginx
+
+COPY nginx/default.conf /etc/nginx/conf.d/default.conf
+COPY --from=builder /app/build /usr/share/nginx/html
+
+RUN mkdir -p /usr/share/nginx/html/data && \
+	chown -R 101:101 /usr/share/nginx/html /var/cache/nginx /var/run /etc/nginx/conf.d
+
+USER 101
+
+EXPOSE 80
+
+HEALTHCHECK --interval=30s --timeout=3s --start-period=10s --retries=3 \
+	CMD wget -qO- http://127.0.0.1/ > /dev/null || exit 1
+
+CMD ["nginx", "-g", "daemon off;"]