feat: enhance sanitization

Dockerfile.nonroot

@@ -80,6 +80,7 @@ RUN apk upgrade --no-cache && apk add --no-cache su-exec
 
 COPY --from=builder /app/dist /usr/share/nginx/html${BASE_URL%/}
 COPY nginx.conf /etc/nginx/nginx.conf
+COPY --from=builder /app/security-headers.conf /etc/nginx/security-headers.conf
 COPY --chmod=755 entrypoint.sh /entrypoint.sh
 
 RUN mkdir -p /etc/nginx/tmp \