55 lines
1.5 KiB
Go
55 lines
1.5 KiB
Go
package postgres
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import (
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"caatsm/internal/infra/config"
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"context"
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"fmt"
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"time"
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"github.com/jackc/pgx/v5/pgxpool"
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"go.uber.org/zap"
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)
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// ProvideDB creates a PostgreSQL connection pool
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func ProvideDB(cfg *config.Config, logger *zap.Logger) (*pgxpool.Pool, error) {
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ctx := context.Background()
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poolConfig, err := pgxpool.ParseConfig(cfg.Postgres.URL)
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if err != nil {
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logger.Error("failed to parse postgres URL",
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zap.String("url", cfg.Postgres.URL),
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zap.Error(err),
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)
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return nil, fmt.Errorf("failed to parse postgres URL: %w", err)
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}
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poolConfig.MaxConns = int32(cfg.Postgres.MaxConns)
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poolConfig.MinConns = int32(cfg.Postgres.MinConns)
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poolConfig.MaxConnLifetime = time.Hour
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poolConfig.MaxConnIdleTime = time.Minute * 30
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pool, err := pgxpool.NewWithConfig(ctx, poolConfig)
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if err != nil {
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logger.Error("failed to create connection pool",
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zap.String("url", cfg.Postgres.URL),
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zap.Int32("max_conns", cfg.Postgres.MaxConns),
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zap.Int32("min_conns", cfg.Postgres.MinConns),
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zap.Error(err),
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)
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return nil, fmt.Errorf("failed to create connection pool: %w", err)
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}
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// Test connection
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if err := pool.Ping(ctx); err != nil {
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logger.Error("failed to ping database",
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zap.String("url", cfg.Postgres.URL),
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zap.Error(err),
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)
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return nil, fmt.Errorf("failed to ping database: %w", err)
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}
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// Log the connection pool
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logger.Info("Connected to PostgreSQL", zap.Int32("max_conns", cfg.Postgres.MaxConns), zap.Int32("min_conns", cfg.Postgres.MinConns), zap.String("url", cfg.Postgres.URL))
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return pool, nil
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}
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