我可以在本地运行使用OpenCV的节点应用程序。但是，当我部署到Heroku时，我得到以下输出：
/tmp/build_08bb7f4806ec8cd10186606cfecd7919/node_modules/opencv/utils/find-opencv.js:21
remote: throw new Error("ERROR: failed to run: pkg-config", opencv, flag);
remote: ^
remote:
remote: Error: ERROR: failed to run: pkg-config
remote: at /tmp/build_08bb7f4806ec8cd10186606cfecd7919/node_modules/opencv/utils/find-opencv.js:21:23
remote: at ChildProcess.exithandler (child_process.js:209:5)
remote: at emitTwo (events.js:100:13)
remote: at ChildProcess.emit (events.js:185:7)
remote: at maybeClose (internal/child_process.js:850:16)
remote: at Socket.<anonymous> (internal/child_process.js:323:11)
remote: at emitOne (events.js:90:13)
remote: at Socket.emit (events.js:182:7)
remote: at Pipe._onclose (net.js:484:12)
remote: gyp: Call to 'node utils/find-opencv.js --cflags' returned exit status 1 while in binding.gyp. while trying to load binding.gyp
remote: gyp ERR! configure error
remote: gyp ERR! stack Error: `gyp` failed with exit code: 1
remote: gyp ERR! stack at ChildProcess.onCpExit (/tmp/build_08bb7f4806ec8cd10186606cfecd7919/.heroku/node/lib/node_modules/npm/node_modules/node-gyp/lib/configure.js:305:16)
remote: gyp ERR! stack at emitTwo (events.js:100:13)
remote: gyp ERR! stack at ChildProcess.emit (events.js:185:7)
remote: gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:204:12)
remote: gyp ERR! System Linux 3.13.0-93-generic
remote: gyp ERR! command "/tmp/build_08bb7f4806ec8cd10186606cfecd7919/.heroku/node/bin/node" "/tmp/build_08bb7f4806ec8cd10186606cfecd7919/.heroku/node/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "configure" "--fallback-to-build" "--module=/tmp/build_08bb7f4806ec8cd10186606cfecd7919/node_modules/opencv/build/opencv/v5.0.0/Release/node-v47-linux-x64/opencv.node" "--module_name=opencv" "--module_path=/tmp/build_08bb7f4806ec8cd10186606cfecd7919/node_modules/opencv/build/opencv/v5.0.0/Release/node-v47-linux-x64"
remote: gyp ERR! cwd /tmp/build_08bb7f4806ec8cd10186606cfecd7919/node_modules/opencv
remote: gyp ERR! node -v v5.11.1
remote: gyp ERR! node-gyp -v v3.3.1
remote: gyp ERR! not ok
remote: node-pre-gyp ERR! build error
remote: node-pre-gyp ERR! stack Error: Failed to execute '/tmp/build_08bb7f4806ec8cd10186606cfecd7919/.heroku/node/bin/node /tmp/build_08bb7f4806ec8cd10186606cfecd7919/.heroku/node/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js configure --fallback-to-build --module=/tmp/build_08bb7f4806ec8cd10186606cfecd7919/node_modules/opencv/build/opencv/v5.0.0/Release/node-v47-linux-x64/opencv.node --module_name=opencv --module_path=/tmp/build_08bb7f4806ec8cd10186606cfecd7919/node_modules/opencv/build/opencv/v5.0.0/Release/node-v47-linux-x64' (1)
remote: node-pre-gyp ERR! stack at ChildProcess.<anonymous> (/tmp/build_08bb7f4806ec8cd10186606cfecd7919/node_modules/opencv/node_modules/node-pre-gyp/lib/util/compile.js:83:29)
remote: node-pre-gyp ERR! stack at emitTwo (events.js:100:13)
remote: node-pre-gyp ERR! stack at ChildProcess.emit (events.js:185:7)
remote: node-pre-gyp ERR! stack at maybeClose (internal/child_process.js:850:16)
remote: node-pre-gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:215:5)
remote: node-pre-gyp ERR! System Linux 3.13.0-93-generic
remote: node-pre-gyp ERR! command "/tmp/build_08bb7f4806ec8cd10186606cfecd7919/.heroku/node/bin/node" "/tmp/build_08bb7f4806ec8cd10186606cfecd7919/node_modules/opencv/node_modules/.bin/node-pre-gyp" "install" "--fallback-to-build"
remote: node-pre-gyp ERR! cwd /tmp/build_08bb7f4806ec8cd10186606cfecd7919/node_modules/opencv
remote: node-pre-gyp ERR! node -v v5.11.1
remote: node-pre-gyp ERR! node-pre-gyp -v v0.6.17
remote: node-pre-gyp ERR! not ok
remote: Failed to execute '/tmp/build_08bb7f4806ec8cd10186606cfecd7919/.heroku/node/bin/node /tmp/build_08bb7f4806ec8cd10186606cfecd7919/.heroku/node/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js configure --fallback-to-build --module=/tmp/build_08bb7f4806ec8cd10186606cfecd7919/node_modules/opencv/build/opencv/v5.0.0/Release/node-v47-linux-x64/opencv.node --module_name=opencv --module_path=/tmp/build_08bb7f4806ec8cd10186606cfecd7919/node_modules/opencv/build/opencv/v5.0.0/Release/node-v47-linux-x64' (1)
我在我的heroku应用程序中包含了buildpack for OpenCV。但是，我仍然得到同样的错误。任何帮助都会很棒。感谢。