Add JSON schema

Fix bug with missing defaults for pool
Only enable SSL if both cert and key is provided, not just one of them
Fix wrong doc about unlimited MaxRequestSize (0 gets set to 1000 in default)

config/config.go

@@ -1,13 +1,10 @@
 package config
 
 import (
-	"runtime"
-	"strings"
-	"time"
-
 	"github.com/roadrunner-server/http/v5/servers/fcgi"
 	"github.com/roadrunner-server/http/v5/servers/http3"
 	"github.com/roadrunner-server/http/v5/servers/https"
+	"strings"
 
 	"github.com/roadrunner-server/errors"
 	"github.com/roadrunner-server/pool/pool"
@@ -27,7 +24,7 @@ type Config struct {
 	Pool *pool.Config `mapstructure:"pool"`
 	// InternalErrorCode used to override default 500 (InternalServerError) http code
 	InternalErrorCode uint64 `mapstructure:"internal_error_code"`
-	// MaxRequestSize specified max size for payload body in megabytes, set 0 to unlimited.
+	// MaxRequestSize specified max size for payload body in megabytes. 0 = 1GB.
 	MaxRequestSize uint64 `mapstructure:"max_request_size"`
 	// SSLConfig defines https server options.
 	SSLConfig *https.SSL `mapstructure:"ssl"`
@@ -62,7 +59,7 @@ func (c *Config) EnableTLS() bool {
 	if c.SSLConfig.Acme != nil {
 		return true
 	}
-	return c.SSLConfig.Key != "" || c.SSLConfig.Cert != ""
+	return c.SSLConfig.Key != "" && c.SSLConfig.Cert != ""
 }
 
 // EnableFCGI is true when FastCGI server must be enabled.
@@ -76,16 +73,9 @@ func (c *Config) EnableFCGI() bool {
 // InitDefaults must populate HTTP values using given HTTP source. Must return error if HTTP is not valid.
 func (c *Config) InitDefaults() error {
 	if c.Pool == nil {
-		// default pool
-		c.Pool = &pool.Config{
-			Debug:           false,
-			NumWorkers:      uint64(runtime.NumCPU()), //nolint:gosec
-			MaxJobs:         0,
-			AllocateTimeout: time.Second * 60,
-			DestroyTimeout:  time.Second * 60,
-			Supervisor:      nil,
-		}
+		c.Pool = &pool.Config{}
 	}
+	c.Pool.InitDefaults()
 
 	if c.InternalErrorCode == 0 {
 		c.InternalErrorCode = 500