Grafana Renderer failed to render image

{“url”:"/render?domain=edgex-grafana&encoding=&height=320&renderKey=oAcbyOFn3p9LxzKzKq0h2kwtcaXSqejW&timeout=60&timezone=&url=http%3A%2F%2Fedgex-grafana%3A3000%2Fd-solo%2FwFH6y38Wk%2F_%3Ffrom%3Dnow-1h%26height%3D320%26panelId%3D3%26theme%3Dlight%26to%3Dnow%26width%3D800%26render%3D1&width=800",“stack”:“TimeoutError: waiting for function failed: timeout 60000ms exceeded\n at new WaitTask (/usr/src/app/node_modules/puppeteer/lib/DOMWorld.js:549:28)\n at DOMWorld.waitForFunction (/usr/src/app/node_modules/puppeteer/lib/DOMWorld.js:454:12)\n at Frame.waitForFunction (/usr/src/app/node_modules/puppeteer/lib/FrameManager.js:657:28)\n at Page.waitForFunction (/usr/src/app/node_modules/puppeteer/lib/Page.js:1144:29)\n at Browser. (/usr/src/app/build/browser/browser.js:158:28)\n at Generator.next ()\n at /usr/src/app/build/browser/browser.js:7:71\n at new Promise ()\n at __awaiter (/usr/src/app/build/browser/browser.js:3:12)\n at /usr/src/app/build/browser/browser.js:156:53”,“level”:“error”,“message”:“Request failed”}

grafana logs

t=2020-02-14T06:33:30+0000 lvl=eror msg=“Failed to send request to remote rendering service.” logger=rendering renderer=http error=“Get http://renderer:8081/render?domain=edgex-grafana&encoding=&height=320&renderKey=0ElzbHM7vgR4bkAP9oM8OX74W3DKGQXs&timeout=60&timezone=&url=http%3A%2F%2Fedgex-grafana%3A3000%2Fd-solo%2FwFH6y38Wk%2F_%3Ffrom%3Dnow-1h%26height%3D320%26panelId%3D3%26theme%3Dlight%26to%3Dnow%26width%3D800%26render%3D1&width=800: context deadline exceeded”
t=2020-02-14T06:33:30+0000 lvl=eror msg=“Rendering failed.” logger=context userId=0 orgId=1 uname= error=“Failed to send request to remote rendering service. Get http://renderer:8081/render?domain=edgex-grafana&encoding=&height=320&renderKey=0ElzbHM7vgR4bkAP9oM8OX74W3DKGQXs&timeout=60&timezone=&url=http%3A%2F%2Fedgex-grafana%3A3000%2Fd-solo%2FwFH6y38Wk%2F_%3Ffrom%3Dnow-1h%26height%3D320%26panelId%3D3%26theme%3Dlight%26to%3Dnow%26width%3D800%26render%3D1&width=800: context deadline exceeded”