If you run PeerTube using Docker, check you run the <x id="START_TAG_CODE" ctype="x-code" equiv-text="<code>"/>reverse-proxy<x id="CLOSE_TAG_CODE" ctype="x-code" equiv-text="</code>"/> with <x id="START_TAG_CODE" ctype="x-code" equiv-text="<code>"/>network_mode: "host"<x id="CLOSE_TAG_CODE" ctype="x-code" equiv-text="</code>"/> (see <x id="START_LINK" ctype="x-a" equiv-text="<a href="https://github.com/Chocobozzz/PeerTube/issues/1643#issuecomment-464789666">"/>issue 1643<x id="CLOSE_LINK" ctype="x-a" equiv-text="</a>"/>)
If your instance is explicitly allowed by Twitter, a video player will be embedded in the Twitter feed on PeerTube video share.<x id="LINE_BREAK" ctype="lb" equiv-text="<br />"/> If the instance is not, we use an image link card that will redirect to your PeerTube instance.<x id="LINE_BREAK" ctype="lb" equiv-text="<br />"/><x id="LINE_BREAK" ctype="lb" equiv-text="<br />"/> Check this checkbox, save the configuration and test with a video URL of your instance (https://example.com/w/blabla) on <x id="START_LINK" ctype="x-a" equiv-text="<a target='_blank' rel='noopener noreferrer' href='https://cards-dev.twitter.com/validator'>"/>https://cards-dev.twitter.com/validator<x id="CLOSE_LINK" ctype="x-a" equiv-text="</a>"/> to see if you instance is allowed.
This instance allows registration. However, be careful to check the <x id="START_LINK" ctype="x-a" equiv-text="<a class="terms-anchor" (click)="onTermsClick($event, instanceInformation)" href='#'>"/>Terms<x id="CLOSE_LINK" ctype="x-a" equiv-text="</a>"/><x id="START_LINK_1" equiv-text="<a class="terms-link" target="_blank" routerLink="/about/instance" fragment="terms">"/>Terms<x id="CLOSE_LINK" ctype="x-a" equiv-text="</a>"/> before creating an account. You may also search for another instance to match your exact needs at: <x id="LINE_BREAK" ctype="lb" equiv-text="<br />"/><x id="START_LINK_2" equiv-text="<a class="alert-link" href="https://joinpeertube.org/instances" target="_blank" rel="noopener noreferrer">"/>https://joinpeertube.org/instances<x id="CLOSE_LINK" ctype="x-a" equiv-text="</a>"/>.
Currently this instance doesn't allow for user registration, you may check the <x id="START_LINK" ctype="x-a" equiv-text="<a (click)="onTermsClick($event, instanceInformation)" href='#'>"/>Terms<x id="CLOSE_LINK" ctype="x-a" equiv-text="</a>"/> for more details or find an instance that gives you the possibility to sign up for an account and upload your videos there. Find yours among multiple instances at: <x id="LINE_BREAK" ctype="lb" equiv-text="<br />"/><x id="START_LINK_1" equiv-text="<a class="alert-link" href="https://joinpeertube.org/instances" target="_blank" rel="noopener noreferrer">"/>https://joinpeertube.org/instances<x id="CLOSE_LINK" ctype="x-a" equiv-text="</a>"/>.