GET /v1/healthcheck -> Show application information || - GET /v1/movies -> Show details of all movies || movies:read POST /v1/movies -> Create movie || movies:write GET /v1/movies/:id -> Get movie by id || movies:read PATH /v1/movies/:id -> Update movie || movies:write DELETE /v1/movies/:id -> Delete movie || movies:write POST /v1/users -> Register a new user || - PUT /v1/users/activated -> Activate a specific user || - POST /v1/tokens/authentication -> Generate a new authentication token || -
$ exprt GREENLIGHT_DB_DSN='postgres://greenlight:<password>@localhost/greenlight?sslmode=disable'
$ docker exec -it pid_id /bin/bash
root@aebae6d87e96:/# psql -U postgres -h localhost
postgres=# SELECT current_user;
postgres=# CREATE DATABASE greenlight;
postgres=# CREATE ROLE greenlight WITH LOGIN PASSWORD '<password>';
postgres=# CREATE EXTENSION IF NOT EXISTS citext;
postgres=# grant all privileges on database greenlight to greenlight;
postgres=# alter database greenlight owner to greenlight;
Install golang migrate
$ go install -tags 'postgres' github.com/golang-migrate/migrate/v4/cmd/migrate@latest
Run migrations
$ export GREENLIGHT_DB_DSN='postgres://greenlight:<password>@localhost/greenlight?sslmode=disable'
$ migrate -path=./migrations -database=$GREENLIGHT_DB_DSN up
Create migration files
$ migrate create -seq -ext .sql -dir ./migrations add_movies_indexes
Testing optimistic locking
$ xargs -I % -P8 curl -X PATCH -d '{"runtime": "97 mins"}' "localhost:4000/v1/movies/1" < <(printf '%s\n' {1..8})
Measure the response time
curl -w '\nTime: %{time_total}s \n' localhost:4000/v1/movies/1
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