Added: Dockerfile, support for configurations from env

Dockerfile

@@ -0,0 +1,29 @@
+FROM golang:1.25.5-alpine3.23 as build
+
+RUN apk add --no-cache git ca-certificates tzdata
+
+WORKDIR /58team_blog
+COPY go.mod go.sum ./
+
+RUN go mod download
+
+COPY . .
+RUN GOOS=linux GOARCH=amd64 go build -ldflags "-s -w" -o /blog ./cmd/main.go
+
+FROM alpine:3.23 AS deploy
+
+WORKDIR /58team_blog
+
+RUN addgroup -g 1001 -S appuser && \
+    adduser -u 1001 -S appuser -G appuser
+
+COPY --from=build /blog /blog
+
+RUN chown -R appuser:appuser /blog
+
+USER appuser
+
+EXPOSE 8080
+EXPOSE 5432
+
+CMD ["/blog"]

docker-compose.yml

@@ -0,0 +1,76 @@
+version: '3.8'
+
+services:
+  app:
+    build: .
+    container_name: blog_backend
+    ports:
+      - "8080:8080"
+    environment:
+      - GIN_MODE=release
+      - PORT=8080
+      - DATABASE_URL=postgres://userpg:1205@localhost:5432/58blog
+    depends_on:
+      - db
+      - redis
+    networks:
+      - app-network
+    volumes:
+      - ./logs:/app/logs
+      - ./uploads:/app/uploads
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:8080/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+
+  db:
+    image: postgres:15-alpine
+    container_name: gin-db
+    environment:
+      - POSTGRES_USER=appuser
+      - POSTGRES_PASSWORD=secretpassword
+      - POSTGRES_DB=mydb
+    ports:
+      - "5432:5432"
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+      - ./init.sql:/docker-entrypoint-initdb.d/init.sql
+    networks:
+      - app-network
+    restart: unless-stopped
+
+  redis:
+    image: redis:7-alpine
+    container_name: gin-redis
+    ports:
+      - "6379:6379"
+    volumes:
+      - redis_data:/data
+    networks:
+      - app-network
+    restart: unless-stopped
+
+  nginx:
+    image: nginx:alpine
+    container_name: gin-nginx
+    ports:
+      - "80:80"
+      - "443:443"
+    volumes:
+      - ./nginx.conf:/etc/nginx/nginx.conf:ro
+      - ./ssl:/etc/nginx/ssl:ro
+    depends_on:
+      - app
+    networks:
+      - app-network
+    restart: unless-stopped
+
+networks:
+  app-network:
+    driver: bridge
+
+volumes:
+  postgres_data:
+  redis_data:

internal/infrastructure/config.go

@@ -6,15 +6,14 @@ import (
 )
 
 type Config struct {
-	DBUser        string `mapstructure:"db-user" default:"userpg"`
+	DBUser        string `mapstructure:"DBUser" default:"userpg"`
-	DBName        string `mapstructure:"db-name" default:"58blog"`
+	DBName        string `mapstructure:"DBName" default:"58blog"`
-	DBPass        string `mapstructure:"db-password" default:"1205"`
+	DBPass        string `mapstructure:"DBPassword" default:"1205"`
-	DBHost        string `mapstructure:"db-host" default:"localhost"`
+	DBHost        string `mapstructure:"DBHost" default:"localhost"`
-	DBPort        string `mapstructure:"db-port" default:"5432"`
+	DBPort        string `mapstructure:"DBPort" default:"5432"`
-	AdminName     string `mapstructure:"admin_name" default:"muts"`
+	AdminName     string `mapstructure:"ADMIN_NAME" default:"muts"`
-	AdminPassword string `mapstructure:"admin_pass" default:"1205"`
+	AdminPassword string `mapstructure:"ADMIN_PASS" default:"1205"`
-	ImagesPath    string `mapstructure:"images_path" default:"./images/"`
+	ImagesPath    string `mapstructure:"IMAGES_PATH" default:"./images/"`
-	PostsPath     string `mapstructure:"posts_path" default:"./posts/"`
 }
 
 func LoadConfig() (config *Config, err error) {
@@ -28,10 +27,13 @@ func LoadConfig() (config *Config, err error) {
 	viper.AddConfigPath(".")
 	viper.AddConfigPath("/etc/58team_blog/")
 	viper.AddConfigPath("/58team_blog/cfgs/")
+	viper.AutomaticEnv()
 
 	if err = viper.ReadInConfig(); err != nil {
+		if _, ok := err.(viper.ConfigFileNotFoundError); !ok {
 			return nil, err
 		}
+	}
 
 	if err = viper.Unmarshal(&config); err != nil {
 		return nil, err