Projects​

Initializing​

To initialize a project, create a new directory and run edgedb project init inside it. You’ll see something like this:

$ 

edgedb project init

No `edgedb.toml` found in this repo or above.
Do you want to initialize a new project? [Y/n]
> Y
Specify the name of EdgeDB instance to use with this project
[default: my_instance]:
> my_instance
Checking EdgeDB versions...
Specify the version of EdgeDB to use with this project [default: 4.x]:
> # (left blank for default)
...
Successfully installed 4.x+cc4f3b5
Initializing EdgeDB instance...
Applying migrations...
Everything is up to date. Revision initial
Project initialized.
To connect to my_instance, run `edgedb`

This command does a couple important things.

1. It spins up a new EdgeDB instance called my_instance.

2. If no edgedb.toml file exists, it will create one. This is a configuration file that marks a given directory as an EdgeDB project. Learn more about it in our edgedb.toml reference.

   Copy

   [edgedb]
   server-version = "4.1"

3. If no dbschema directory exists, it will be created, along with an empty default.esdl file which will contain your schema. If a dbschema directory exists and contains a subdirectory called migrations, those migrations will be applied against the new instance.

Every project maps one-to-one to a particular EdgeDB instance. From inside a project directory, you can run edgedb project info to see information about the current project.

$ 

edgedb project info

┌───────────────┬──────────────────────────────────────────┐
│ Instance name │ my_instance                              │
│ Project root  │ /path/to/project                         │
└───────────────┴──────────────────────────────────────────┘

Connection​

As long as you are inside the project directory, all CLI commands will be executed against the project-linked instance. For instance, you can simply run edgedb to open a REPL.

$ 

edgedb

EdgeDB 4.x+cc4f3b5 (repl 4.x+da2788e)
Type \help for help, \quit to quit.
my_instance:edgedb> select "Hello world!";

By contrast, if you leave the project directory, the CLI will no longer know which instance to connect to. You can solve this by specifing an instance name with the -I flag.

$ 

cd ~

$ 

edgedb

edgedb error: no `edgedb.toml` found and no connection options are specified
  Hint: Run `edgedb project init` or use any of `-H`, `-P`, `-I` arguments to
  specify connection parameters. See `--help` for details

$ 

edgedb -I my_instance

EdgeDB 4.x+cc4f3b5 (repl 4.x+da2788e)
Type \help for help, \quit to quit.
my_instance:edgedb>

Similarly, client libraries will auto-connect to the project’s linked instance without additional configuration.

Using remote instances​

You may want to initialize a project that points to a remote EdgeDB instance. This is totally a valid case and EdgeDB fully supports it! Before running edgedb project init, you just need to create an alias for the remote instance using edgedb instance link, like so:

$ 

edgedb instance link

Specify server host [default: localhost]:
> 192.168.4.2
Specify server port [default: 5656]:
> 10818
Specify database user [default: edgedb]:
> edgedb
Specify database name [default: edgedb]:
> edgedb
Unknown server certificate: SHA1:c38a7a90429b033dfaf7a81e08112a9d58d97286.
Trust? [y/N]
> y
Password for 'edgedb':
Specify a new instance name for the remote server [default: abcd]:
> staging_db
Successfully linked to remote instance. To connect run:
  edgedb -I staging_db

After receving the necessary connection information, this command links the remote instance to a local alias "staging_db". You can use this as instance name in CLI commands.

$ edgedb -I staging_db
edgedb>

To initialize a project that uses the remote instance, provide this alias when prompted for an instance name during the edgedb project init workflow.

Unlinking​

An instance can be unlinked from a project. This leaves the instance running but effectively “uninitializes” the project. The edgedb.toml and dbschema are left untouched.

$ 

edgedb project unlink

If you wish to delete the instance as well, use the -D flag.

$ 

edgedb project unlink -D

Upgrading​

A standalone instance (not linked to a project) can be upgraded with the edgedb instance upgrade command.

$ 

edgedb project upgrade --to-latest

$ 

edgedb project upgrade --to-nightly

$ 

edgedb project upgrade --to-version 4.x

See info​

You can see the location of a project and the name of its linked instance.

$ 

edgedb project info

┌───────────────┬──────────────────────────────────────────┐
│ Instance name │ my_app                                   │
│ Project root  │ /path/to/my_app                          │
└───────────────┴──────────────────────────────────────────┘