Add support for connecting to postgres over TLS

Author: airhorns

cmd/wal-listener/init.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"context"
+	"crypto/tls"
 	"fmt"
 	"log/slog"
 
@@ -24,6 +25,12 @@ func initPgxConnections(cfg *config.DatabaseCfg, logger *slog.Logger) (*pgx.Conn
 		Password: cfg.Password,
 	}
 
+	if cfg.SSL {
+		pgxConf.TLSConfig = &tls.Config{
+			InsecureSkipVerify: true,
+		}
+	}
+
 	pgConn, err := pgx.Connect(pgxConf)
 	if err != nil {
 		return nil, nil, fmt.Errorf("db connection: %w", err)

config/config.go

@@ -65,6 +65,7 @@ type DatabaseCfg struct {
 	Name     string `valid:"required"`
 	User     string `valid:"required"`
 	Password string `valid:"required" mapstructure:"password"`
+	SSL      bool   `mapstructure:"ssl"`
 }
 
 // IncludeStruct incoming WAL message filter.