This fixes an error during container startup due to interpolating a
$STORAGE value that may contain slashes or other "active" characters:
...
Using secure websockets: false
Using storage adapter: ./storage/file
sed: bad option in substitution expression
Also add a trailing ',' in the search expression to avoid substituting
in the comment above the actual definition:
/* If Cryptpad is proxied without using https, the server needs to know.
* Specify 'useSecureWebsockets: true' so that it can send
...
- install/usage should be at the top, it's the most relevant info for typical users
- docker call was missing `run` argument
- added `--restart=always` to run it as a service
- change default data directory. I think it's bad advice keeping data
cluttered all over your file-system in some git repositories that one
may want to delete later on