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main.go
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main.go
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package main
import (
"database/sql"
"log"
"github.com/golang-migrate/migrate/v4"
_ "github.com/golang-migrate/migrate/v4/database/postgres"
_ "github.com/golang-migrate/migrate/v4/source/file"
_ "github.com/lib/pq"
"github.com/shahar05/simplebank/api"
db "github.com/shahar05/simplebank/db/sqlc"
"github.com/shahar05/simplebank/util"
)
// TODO: try to remove _ "github.com/lib/pq" and see what happen. Hint:(Cant talk to to PQ server...)
func main() {
config, err := util.LoadConfig(".")
if err != nil {
log.Fatal("cannot load config:", err)
}
log.Printf("config: %v\n", config)
conn, err := sql.Open(config.DBDriver, config.DBSource)
if err != nil {
log.Fatal("cannot conne ct to db:", err)
}
log.Printf("after sql \n")
runDBMigration(config.MigrationURL, config.DBSource)
log.Printf("after runDBMigration \n")
store := db.NewStore(conn)
server, err := api.NewServer(config, store)
if err != nil {
log.Fatal("cannot start server: ", err)
}
err = server.Start(config.ServerAddress)
if err != nil {
log.Fatal("cannot start server: ", err)
}
}
func runDBMigration(migrationURL string, dbSource string) {
migration, err := migrate.New(migrationURL, dbSource)
log.Printf("runDBMigration 1\n")
if err != nil {
log.Printf("runDBMigration 2: %v\n", err)
log.Fatal("cannot create new migration instance: ", err)
}
if err = migration.Up(); err != migrate.ErrNoChange {
log.Printf("runDBMigration 3: %v\n", err)
log.Fatal("failed to run migrateup:", err)
}
log.Println("db migrate successfully")
}