init

DOCKER.md

@@ -7,6 +7,7 @@ This document describes how to run the APSKEL POS Backend using Docker and Docke
 - Docker (version 20.10 or later)
 - Docker Compose (version 2.0 or later)
 - Git (for cloning the repository)
+- Go 1.21+ (for local development)
 
 ## Quick Start
 
@@ -212,7 +213,14 @@ docker-compose logs -f backend-dev
 
 ### Common Issues
 
-1. **Port Already in Use**
+1. **Go Version Compatibility Error**
+   ```bash
+   # Error: package slices is not in GOROOT
+   # Solution: Make sure Dockerfile uses Go 1.21+ 
+   # Check go.mod file requires Go 1.21 or later
+   ```
+
+2. **Port Already in Use**
    ```bash
    # Check what's using the port
    lsof -i :3300
@@ -220,7 +228,7 @@ docker-compose logs -f backend-dev
    # Change ports in docker-compose.yaml if needed
    ```
 
-2. **Database Connection Failed**
+3. **Database Connection Failed**
    ```bash
    # Check if database is running
    docker-compose ps postgres
@@ -229,13 +237,13 @@ docker-compose logs -f backend-dev
    docker-compose logs postgres
    ```
 
-3. **Permission Denied**
+4. **Permission Denied**
    ```bash
    # Make sure script is executable
    chmod +x docker-build.sh
    ```
 
-4. **Out of Disk Space**
+5. **Out of Disk Space**
    ```bash
    # Clean up unused Docker resources
    docker system prune -a