postgres

Spin up a Postgres database

docker run --name my-postgres -e POSTGRES_PASSWORD=mysecretpassword -d postgres

Create a states table

CREATE TABLE States (
    id SERIAL,
    key varchar(255) PRIMARY KEY,
    scope varchar(255),
    value json
);

Add a unique constraing

ALTER TABLE states ADD CONSTRAINT states_scope_key_unique UNIQUE (scope, key);

Connect to the database

postgres://postgres:mysecretpassword@localhost:5433/postgres