hoàn thành docker compose giai đoạn 1

push-ghcr.sh

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+#!/bin/bash
+# Push LMS images to GitHub Container Registry (GHCR)
+# Usage: ./push-ghcr.sh [tag]
+# Reads GITHUB_USER and GITHUB_TOKEN from .env
+
+set -e
+
+cd "$(dirname "$0")"
+
+# Load .env
+if [ -f .env ]; then
+  export $(grep -v '^#' .env | grep -E 'GITHUB_USER|GITHUB_TOKEN' | xargs)
+fi
+
+TAG="${1:-latest}"
+
+GITHUB_USER="${GITHUB_USER:?GITHUB_USER not set in .env}"
+GITHUB_TOKEN="${GITHUB_TOKEN:?GITHUB_TOKEN not set in .env}"
+
+BACKEND_IMAGE="ghcr.io/${GITHUB_USER}/lms-backend:${TAG}"
+FRONTEND_IMAGE="ghcr.io/${GITHUB_USER}/lms-frontend:${TAG}"
+
+echo "========================================"
+echo "  LMS → GHCR Push"
+echo "  Backend : $BACKEND_IMAGE"
+echo "  Frontend: $FRONTEND_IMAGE"
+echo "========================================"
+echo ""
+
+# ── 1. Login to GHCR ──────────────────────────────────────────────────────────
+echo "🔐 Logging in to ghcr.io ..."
+echo "$GITHUB_TOKEN" | docker login ghcr.io -u "$GITHUB_USER" --password-stdin
+
+# ── 2. Build images ───────────────────────────────────────────────────────────
+echo ""
+echo "🔨 Building images..."
+cd "$(dirname "$0")"
+docker compose build
+
+# ── 3. Tag for GHCR ───────────────────────────────────────────────────────────
+echo ""
+echo "🏷  Tagging images..."
+docker tag lms-backend:latest  "$BACKEND_IMAGE"
+docker tag lms-frontend:latest "$FRONTEND_IMAGE"
+
+# ── 4. Push ───────────────────────────────────────────────────────────────────
+echo ""
+echo "⬆  Pushing to GHCR..."
+docker push "$BACKEND_IMAGE"
+docker push "$FRONTEND_IMAGE"
+
+echo ""
+echo "✅ Done! Images pushed:"
+echo "   $BACKEND_IMAGE"
+echo "   $FRONTEND_IMAGE"
+echo ""
+echo "📋 Add these to .env on the target machine:"
+echo "   BACKEND_IMAGE=$BACKEND_IMAGE"
+echo "   FRONTEND_IMAGE=$FRONTEND_IMAGE"
+echo ""
+echo "🚀 On the target machine:"
+echo "   docker compose pull && docker compose up -d"