Files
Gumble-Backend/internal/config/server_config.go
Zane Walker 7e940c83a7
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(Feat): Initial Commit
2026-07-03 19:41:31 +05:30

259 lines
13 KiB
Go

package config
import (
"os"
"path/filepath"
"runtime"
"testing"
"time"
"allaboutapps.dev/aw/go-starter/internal/mailer/transport"
"allaboutapps.dev/aw/go-starter/internal/push/provider"
"allaboutapps.dev/aw/go-starter/internal/util"
"github.com/rs/zerolog"
"golang.org/x/text/language"
)
type EchoServer struct {
Debug bool
ListenAddress string
HideInternalServerErrorDetails bool
BaseURL string
EnableCORSMiddleware bool
EnableLoggerMiddleware bool
EnableRecoverMiddleware bool
EnableRequestIDMiddleware bool
EnableTrailingSlashMiddleware bool
EnableSecureMiddleware bool
EnableCacheControlMiddleware bool
SecureMiddleware EchoServerSecureMiddleware
WebTemplatesViewsBaseDirAbs string
}
type PprofServer struct {
Enable bool
EnableManagementKeyAuth bool
RuntimeBlockProfileRate int
RuntimeMutexProfileFraction int
}
// EchoServerSecureMiddleware represents a subset of echo's secure middleware config relevant to the app server.
// https://github.com/labstack/echo/blob/master/middleware/secure.go
type EchoServerSecureMiddleware struct {
XSSProtection string
ContentTypeNosniff string
XFrameOptions string
HSTSMaxAge int
HSTSExcludeSubdomains bool
ContentSecurityPolicy string
CSPReportOnly bool
HSTSPreloadEnabled bool
ReferrerPolicy string
}
type AuthServer struct {
AccessTokenValidity time.Duration
PasswordResetTokenValidity time.Duration
PasswordResetTokenDebounceDuration time.Duration
PasswordResetTokenReuseDuration time.Duration
DefaultUserScopes []string
LastAuthenticatedAtThreshold time.Duration
RegistrationRequiresConfirmation bool
ConfirmationTokenValidity time.Duration
ConfirmationTokenDebounceDuration time.Duration
}
type PathsServer struct {
APIBaseDirAbs string
MntBaseDirAbs string
AppleAppSiteAssociationFile string
AndroidAssetlinksFile string
}
type ManagementServer struct {
Secret string `json:"-"` // sensitive
ReadinessTimeout time.Duration
LivenessTimeout time.Duration
ProbeWriteablePathsAbs []string
ProbeWriteableTouchfile string
EnableMetrics bool
}
type FrontendServer struct {
BaseURL string
PasswordResetEndpoint string
}
type LoggerServer struct {
Level zerolog.Level
RequestLevel zerolog.Level
LogRequestBody bool
LogRequestHeader bool
LogRequestQuery bool
LogResponseBody bool
LogResponseHeader bool
LogCaller bool
PrettyPrintConsole bool
}
type I18n struct {
DefaultLanguage language.Tag
BundleDirAbs string
}
type Server struct {
Database Database
Echo EchoServer
Pprof PprofServer
Paths PathsServer
Auth AuthServer
Management ManagementServer
Mailer Mailer
SMTP transport.SMTPMailTransportConfig
Frontend FrontendServer
Logger LoggerServer
Push PushService
FCMConfig provider.FCMConfig
I18n I18n
}
// DefaultServiceConfigFromEnv returns the server config as parsed from environment variables
// and their respective defaults defined below.
// We don't expect that ENV_VARs change while we are running our application or our tests
// (and it would be a bad thing to do anyways with parallel testing).
// Do NOT use os.Setenv / os.Unsetenv in tests utilizing DefaultServiceConfigFromEnv()!
func DefaultServiceConfigFromEnv() Server {
// An `.env.local` file in your project root can override the currently set ENV variables.
//
// We never automatically apply `.env.local` when running "go test" as these ENV variables
// may be sensitive (e.g. secrets to external APIs) and applying them modifies the process
// global "os.Env" state (it should be applied via t.SetEnv instead).
//
// If you need dotenv ENV variables available in a test, do that explicitly within that
// test before executing DefaultServiceConfigFromEnv (or test.WithTestServer).
// See /internal/test/helper_dot_env.go: test.DotEnvLoadLocalOrSkipTest(t)
if !testing.Testing() {
DotEnvTryLoad(filepath.Join(util.GetProjectRootDir(), ".env.local"), os.Setenv)
}
return Server{
Database: Database{
Host: util.GetEnv("PGHOST", "postgres"),
Port: util.GetEnvAsInt("PGPORT", 5432),
Database: util.GetEnv("PGDATABASE", "development"),
Username: util.GetEnv("PGUSER", "dbuser"),
Password: util.GetEnv("PGPASSWORD", ""),
AdditionalParams: map[string]string{
"sslmode": util.GetEnv("PGSSLMODE", "disable"),
},
MaxOpenConns: util.GetEnvAsInt("DB_MAX_OPEN_CONNS", runtime.NumCPU()*2),
MaxIdleConns: util.GetEnvAsInt("DB_MAX_IDLE_CONNS", 1),
ConnMaxLifetime: time.Second * time.Duration(util.GetEnvAsInt("DB_CONN_MAX_LIFETIME_SEC", 60)),
},
Echo: EchoServer{
Debug: util.GetEnvAsBool("SERVER_ECHO_DEBUG", false),
ListenAddress: util.GetEnv("SERVER_ECHO_LISTEN_ADDRESS", ":8080"),
HideInternalServerErrorDetails: util.GetEnvAsBool("SERVER_ECHO_HIDE_INTERNAL_SERVER_ERROR_DETAILS", true),
BaseURL: util.GetEnv("SERVER_ECHO_BASE_URL", "http://localhost:8080"),
EnableCORSMiddleware: util.GetEnvAsBool("SERVER_ECHO_ENABLE_CORS_MIDDLEWARE", true),
EnableLoggerMiddleware: util.GetEnvAsBool("SERVER_ECHO_ENABLE_LOGGER_MIDDLEWARE", true),
EnableRecoverMiddleware: util.GetEnvAsBool("SERVER_ECHO_ENABLE_RECOVER_MIDDLEWARE", true),
EnableRequestIDMiddleware: util.GetEnvAsBool("SERVER_ECHO_ENABLE_REQUEST_ID_MIDDLEWARE", true),
EnableTrailingSlashMiddleware: util.GetEnvAsBool("SERVER_ECHO_ENABLE_TRAILING_SLASH_MIDDLEWARE", true),
EnableSecureMiddleware: util.GetEnvAsBool("SERVER_ECHO_ENABLE_SECURE_MIDDLEWARE", true),
EnableCacheControlMiddleware: util.GetEnvAsBool("SERVER_ECHO_ENABLE_CACHE_CONTROL_MIDDLEWARE", true),
// see https://echo.labstack.com/middleware/secure
// see https://github.com/labstack/echo/blob/master/middleware/secure.go
SecureMiddleware: EchoServerSecureMiddleware{
XSSProtection: util.GetEnv("SERVER_ECHO_SECURE_MIDDLEWARE_XSS_PROTECTION", "1; mode=block"),
ContentTypeNosniff: util.GetEnv("SERVER_ECHO_SECURE_MIDDLEWARE_CONTENT_TYPE_NOSNIFF", "nosniff"),
XFrameOptions: util.GetEnv("SERVER_ECHO_SECURE_MIDDLEWARE_X_FRAME_OPTIONS", "SAMEORIGIN"),
HSTSMaxAge: util.GetEnvAsInt("SERVER_ECHO_SECURE_MIDDLEWARE_HSTS_MAX_AGE", 0),
HSTSExcludeSubdomains: util.GetEnvAsBool("SERVER_ECHO_SECURE_MIDDLEWARE_HSTS_EXCLUDE_SUBDOMAINS", false),
ContentSecurityPolicy: util.GetEnv("SERVER_ECHO_SECURE_MIDDLEWARE_CONTENT_SECURITY_POLICY", ""),
CSPReportOnly: util.GetEnvAsBool("SERVER_ECHO_SECURE_MIDDLEWARE_CSP_REPORT_ONLY", false),
HSTSPreloadEnabled: util.GetEnvAsBool("SERVER_ECHO_SECURE_MIDDLEWARE_HSTS_PRELOAD_ENABLED", false),
ReferrerPolicy: util.GetEnv("SERVER_ECHO_SECURE_MIDDLEWARE_REFERRER_POLICY", ""),
},
WebTemplatesViewsBaseDirAbs: util.GetEnv("SERVER_ECHO_WEB_TEMPLATES_VIEWS_BASE_DIR_ABS", filepath.Join(util.GetProjectRootDir(), "/web/templates/views")),
},
Pprof: PprofServer{
// https://golang.org/pkg/net/http/pprof/
Enable: util.GetEnvAsBool("SERVER_PPROF_ENABLE", false),
EnableManagementKeyAuth: util.GetEnvAsBool("SERVER_PPROF_ENABLE_MANAGEMENT_KEY_AUTH", true),
RuntimeBlockProfileRate: util.GetEnvAsInt("SERVER_PPROF_RUNTIME_BLOCK_PROFILE_RATE", 0),
RuntimeMutexProfileFraction: util.GetEnvAsInt("SERVER_PPROF_RUNTIME_MUTEX_PROFILE_FRACTION", 0),
},
Paths: PathsServer{
// Please ALWAYS work with ABSOLUTE (ABS) paths from ENV_VARS (however you may resolve a project-relative to absolute for the default value)
APIBaseDirAbs: util.GetEnv("SERVER_PATHS_API_BASE_DIR_ABS", filepath.Join(util.GetProjectRootDir(), "/api")), // /app/api (swagger.yml)
MntBaseDirAbs: util.GetEnv("SERVER_PATHS_MNT_BASE_DIR_ABS", filepath.Join(util.GetProjectRootDir(), "/assets/mnt")), // /app/assets/mnt (user-generated content)
AppleAppSiteAssociationFile: util.GetEnv("SERVER_PATHS_APPLE_APP_SITE_ASSOCIATION_FILE", ""),
AndroidAssetlinksFile: util.GetEnv("SERVER_PATHS_ANDROID_ASSETLINKS_FILE", ""),
},
Auth: AuthServer{
AccessTokenValidity: time.Second * time.Duration(util.GetEnvAsInt("SERVER_AUTH_ACCESS_TOKEN_VALIDITY", 86400)),
PasswordResetTokenValidity: time.Second * time.Duration(util.GetEnvAsInt("SERVER_AUTH_PASSWORD_RESET_TOKEN_VALIDITY", 900)),
PasswordResetTokenDebounceDuration: time.Second * time.Duration(util.GetEnvAsInt("SERVER_AUTH_PASSWORD_RESET_TOKEN_DEBOUNCE_DURATION_SECONDS", 60)),
PasswordResetTokenReuseDuration: time.Second * time.Duration(util.GetEnvAsInt("SERVER_AUTH_PASSWORD_RESET_TOKEN_REUSE_DURATION_SECONDS", 0)),
DefaultUserScopes: util.GetEnvAsStringArr("SERVER_AUTH_DEFAULT_USER_SCOPES", []string{"app"}),
LastAuthenticatedAtThreshold: time.Second * time.Duration(util.GetEnvAsInt("SERVER_AUTH_LAST_AUTHENTICATED_AT_THRESHOLD", 900)),
RegistrationRequiresConfirmation: util.GetEnvAsBool("SERVER_AUTH_REGISTRATION_REQUIRES_CONFIRMATION", false),
ConfirmationTokenValidity: time.Second * time.Duration(util.GetEnvAsInt("SERVER_AUTH_CONFIRMATION_TOKEN_VALIDITY_SECONDS", 86400)),
ConfirmationTokenDebounceDuration: time.Second * time.Duration(util.GetEnvAsInt("SERVER_AUTH_CONFIRMATION_TOKEN_DEBOUNCE_DURATION_SECONDS", 60)),
},
Management: ManagementServer{
Secret: util.GetMgmtSecret("SERVER_MANAGEMENT_SECRET"),
ReadinessTimeout: time.Second * time.Duration(util.GetEnvAsInt("SERVER_MANAGEMENT_READINESS_TIMEOUT_SEC", 4)),
LivenessTimeout: time.Second * time.Duration(util.GetEnvAsInt("SERVER_MANAGEMENT_LIVENESS_TIMEOUT_SEC", 9)),
ProbeWriteablePathsAbs: util.GetEnvAsStringArr("SERVER_MANAGEMENT_PROBE_WRITEABLE_PATHS_ABS", []string{
filepath.Join(util.GetProjectRootDir(), "/assets/mnt")}, ","),
ProbeWriteableTouchfile: util.GetEnv("SERVER_MANAGEMENT_PROBE_WRITEABLE_TOUCHFILE", ".healthy"),
EnableMetrics: util.GetEnvAsBool("SERVER_MANAGEMENT_ENABLE_METRICS", false),
},
Mailer: Mailer{
DefaultSender: util.GetEnv("SERVER_MAILER_DEFAULT_SENDER", "go-starter@example.com"),
Send: util.GetEnvAsBool("SERVER_MAILER_SEND", true),
WebTemplatesEmailBaseDirAbs: util.GetEnv("SERVER_MAILER_WEB_TEMPLATES_EMAIL_BASE_DIR_ABS", filepath.Join(util.GetProjectRootDir(), "/web/templates/email")), // /app/web/templates/email
Transporter: util.GetEnvEnum("SERVER_MAILER_TRANSPORTER", MailerTransporterMock.String(), []string{MailerTransporterSMTP.String(), MailerTransporterMock.String()}),
},
SMTP: transport.SMTPMailTransportConfig{
Host: util.GetEnv("SERVER_SMTP_HOST", "mailhog"),
Port: util.GetEnvAsInt("SERVER_SMTP_PORT", 1025),
Username: util.GetEnv("SERVER_SMTP_USERNAME", ""),
Password: util.GetEnv("SERVER_SMTP_PASSWORD", ""),
AuthType: transport.SMTPAuthTypeFromString(util.GetEnv("SERVER_SMTP_AUTH_TYPE", transport.SMTPAuthTypeNone.String())),
Encryption: transport.SMTPEncryption(util.GetEnvEnum("SERVER_SMTP_ENCRYPTION", transport.SMTPEncryptionNone.String(), []string{transport.SMTPEncryptionNone.String(), transport.SMTPEncryptionTLS.String(), transport.SMTPEncryptionStartTLS.String()})),
TLSConfig: nil,
},
Frontend: FrontendServer{
BaseURL: util.GetEnv("SERVER_FRONTEND_BASE_URL", "http://localhost:3000"),
PasswordResetEndpoint: util.GetEnv("SERVER_FRONTEND_PASSWORD_RESET_ENDPOINT", "/set-new-password"),
},
Logger: LoggerServer{
Level: util.LogLevelFromString(util.GetEnv("SERVER_LOGGER_LEVEL", zerolog.DebugLevel.String())),
RequestLevel: util.LogLevelFromString(util.GetEnv("SERVER_LOGGER_REQUEST_LEVEL", zerolog.DebugLevel.String())),
LogRequestBody: util.GetEnvAsBool("SERVER_LOGGER_LOG_REQUEST_BODY", false),
LogRequestHeader: util.GetEnvAsBool("SERVER_LOGGER_LOG_REQUEST_HEADER", false),
LogRequestQuery: util.GetEnvAsBool("SERVER_LOGGER_LOG_REQUEST_QUERY", false),
LogResponseBody: util.GetEnvAsBool("SERVER_LOGGER_LOG_RESPONSE_BODY", false),
LogResponseHeader: util.GetEnvAsBool("SERVER_LOGGER_LOG_RESPONSE_HEADER", false),
LogCaller: util.GetEnvAsBool("SERVER_LOGGER_LOG_CALLER", false),
PrettyPrintConsole: util.GetEnvAsBool("SERVER_LOGGER_PRETTY_PRINT_CONSOLE", false),
},
Push: PushService{
UseFCMProvider: util.GetEnvAsBool("SERVER_PUSH_USE_FCM", false),
UseMockProvider: util.GetEnvAsBool("SERVER_PUSH_USE_MOCK", true),
},
FCMConfig: provider.FCMConfig{
GoogleApplicationCredentials: util.GetEnv("GOOGLE_APPLICATION_CREDENTIALS", ""),
ProjectID: util.GetEnv("SERVER_FCM_PROJECT_ID", "no-fcm-project-id-set"),
ValidateOnly: util.GetEnvAsBool("SERVER_FCM_VALIDATE_ONLY", true),
},
I18n: I18n{
DefaultLanguage: util.GetEnvAsLanguageTag("SERVER_I18N_DEFAULT_LANGUAGE", language.English),
BundleDirAbs: util.GetEnv("SERVER_I18N_BUNDLE_DIR_ABS", filepath.Join(util.GetProjectRootDir(), "/web/i18n")), // /app/web/i18n
},
}
}