feat: add timezone configuration support to server settings and Docker image

Dockerfile

@@ -15,9 +15,9 @@ RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o /app/bin/goencode ./cmd/go
 # Final stage
 FROM debian:bookworm-slim
 
-# Install ffmpeg and ca-certificates
+# Install ffmpeg, ca-certificates, and tzdata for timezone support
 RUN apt-get update && \
-    apt-get install -y --no-install-recommends ffmpeg ca-certificates && \
+    apt-get install -y --no-install-recommends ffmpeg ca-certificates tzdata && \
     rm -rf /var/lib/apt/lists/*
 
 WORKDIR /app

README.md

@@ -46,6 +46,7 @@ services:
       # Web Server Configuration
       - GOENCODE_SERVER_LISTEN=0.0.0.0
       - GOENCODE_SERVER_PORT=8080
+      - TZ=Europe/London
       
       # Web UI Authentication (Optional)
       - GOENCODE_AUTH_USER=admin
@@ -89,6 +90,7 @@ GoEncode can be configured via `goencode.yaml` or entirely via environment varia
 | `GOENCODE_DB_NAME` | Database name | `goencode` |
 | `GOENCODE_SERVER_LISTEN` | IP to bind the web interface | `0.0.0.0` |
 | `GOENCODE_SERVER_PORT` | Port for the web interface | `8080` |
+| `TZ` | Container TimeZone | `UTC` |
 | `GOENCODE_AUTH_USER` | Username for the web UI | |
 | `GOENCODE_AUTH_PASS` | Password for the web UI | |
 | `GOENCODE_ENCODER_TEMP`| Temp directory for processing jobs | `/tmp/goencode` |

goencode.yaml

@@ -1,6 +1,7 @@
 server:
   port: 8080
   listen_addr: "0.0.0.0"
+  timezone: "UTC"
 
 auth:
   username: "admin"

internal/config/config.go

@@ -27,6 +27,7 @@ func getEnvInt(key string, defaultVal int) int {
 type ServerConfig struct {
 	Port       int    `yaml:"port"`
 	ListenAddr string `yaml:"listen_addr"`
+	TimeZone   string `yaml:"timezone"`
 }
 
 type DatabaseConfig struct {
@@ -95,5 +96,14 @@ func LoadConfig(path string) (*Config, error) {
 		cfg.Database.Port = 3306
 	}
 
+	if envTZ := os.Getenv("TZ"); envTZ != "" {
+		cfg.Server.TimeZone = envTZ
+	}
+
+	// Apply timezone if set
+	if cfg.Server.TimeZone != "" {
+		os.Setenv("TZ", cfg.Server.TimeZone)
+	}
+
 	return &cfg, nil
 }