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feat: doc/postgres-create-user.md

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dancingCycle 2023-11-16 10:27:45 +01:00
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doc/postgres-create-user.md
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# Create User with Postgres
* create a database user called <user name> with password <key>
* create a database user called `user name` with password `key`
```
CREATE USER <user name> with encrypted password '<key>';
CREATE USER `user name` with encrypted password 'key';
```
* OPTION: gant user <user_name> access to database <database name>
* OPTION: gant user `user name` access to database `database name`
```
GRANT ALL PRIVILEGES ON DATABASE <database name> TO <user name>;
```
* OPTION: add all privileges for a <schema name> to a <user>
* OPTION: add all privileges for a `schema name` to a `user`
```
GRANT ALL PRIVILEGES ON ALL TABALES ON SCHEMA <schema name> TO <user name>;
```
* OPTION: if <user name> already exist, pw can be changed this way
* OPTION: if `user name` already exist, pw can be changed this way
```
ALTER USER <user name> WITH ENCRYPTED PASSWORD '<key>';
```
* OPTION: gant user <user_name> access to database ```postgres``` so that this user is able to login without providing a database
* OPTION: gant user `user name` access to database `postgres` so that this user is able to login without providing a database
```
sudo -u postgres psql -W
GRANT ALL PRIVILEGES ON DATABASE postgres to <user name>;
```
* OPTION: gant user <user_name> permission to create databases
* OPTION: gant user `user name` permission to create databases
```
sudo -u postgres psql -W
ALTER USER <user_name> CREATEDB;
ALTER USER <user name> CREATEDB;
```
* edit the pg_hba.conf file\