Added goals, cache and func to get any remote obj

Cache is for storage, also includes pooled encoders and decoders
goals are things to eventually add to Linstrom

config/config.go

@@ -29,10 +29,6 @@ type ConfigGeneral struct {
 	PrivatePort int `toml:"private_port"`
 	// The port under which the public can reach the server (useful if running behind a reverse proxy)
 	PublicPort *int `toml:"public_port"`
-	// Url to the database to use. Can be a postgres url or the path to a sqlite file
-	Database string `toml:"database"`
-	// Whether the given database url is for a postgres server. If not set, assumes sqlite
-	DbIsPostgres *bool `toml:"db_is_postgres"`
 }
 
 type ConfigWebAuthn struct {
@@ -48,24 +44,38 @@ type ConfigAdmin struct {
 	FirstTimeSetupOTP string `toml:"first_time_setup_otp"`
 }
 
+type ConfigStorage struct {
+	// Url to the database to use
+	// If DbIsPostgres is either not set or false, the url is expected to be a path to a sqlite file
+	// Otherwise, it's expected to be an url to a postgres server
+	DatabaseUrl string `toml:"database_url"`
+	// Whether the target of the database url is a postgres server
+	DbIsPostgres *bool `toml:"db_is_postgres,omitempty"`
+	// Whether to use Redis for caching in addition to an in memory one
+	UseRedis bool `toml:"use_redis"`
+	// Url to redis server. Expected to be set if UseRedis is true
+	RedisUrl *string `toml:"redis_url,omitempty"`
+	// The maximum size of the in-memory cache in bytes
+	MaxInMemoryCacheSize int64 `toml:"max_in_memory_cache_size"`
+}
+
 type Config struct {
 	General  ConfigGeneral  `toml:"general"`
 	SSL      ConfigSSL      `toml:"ssl"`
 	Admin    ConfigAdmin    `toml:"admin"`
 	Webauthn ConfigWebAuthn `toml:"webauthn"`
+	Storage  ConfigStorage  `toml:"storage"`
 }
 
 var GlobalConfig Config
 
 var defaultConfig Config = Config{
 	General: ConfigGeneral{
-		Protocol:     "http",
-		Subdomain:    nil,
-		Domain:       "localhost",
-		PrivatePort:  8080,
-		PublicPort:   nil,
-		Database:     "db.sqlite",
-		DbIsPostgres: other.IntoPointer(false),
+		Protocol:    "http",
+		Subdomain:   nil,
+		Domain:      "localhost",
+		PrivatePort: 8080,
+		PublicPort:  nil,
 	},
 	SSL: ConfigSSL{
 		HandleSSL:       false,
@@ -81,6 +91,13 @@ var defaultConfig Config = Config{
 		DisplayName:   "Linstrom",
 		HashingSecret: "some super secure secret that should never be changed or else password storage breaks",
 	},
+	Storage: ConfigStorage{
+		DatabaseUrl:          "db.sqlite",
+		DbIsPostgres:         other.IntoPointer(false),
+		UseRedis:             false,
+		RedisUrl:             nil,
+		MaxInMemoryCacheSize: 1e6, // 1 Megabyte
+	},
 }
 
 func (gc *ConfigGeneral) GetFullDomain() string {