improvement: fixed some package.json issues. readme files updated.

backend/docker-entrypoint.sh

@@ -8,22 +8,22 @@ echo "=========================================="
 if [ "$NODE_ENV" = "production" ]; then
     echo "Running in PRODUCTION mode"
     echo "Running database migrations..."
-    npx prisma migrate deploy
+    ./node_modules/.bin/prisma migrate deploy
 else
     echo "Running in DEVELOPMENT mode"
     echo "Syncing database schema..."
-    npx prisma db push
+    ./node_modules/.bin/prisma db push
 fi
 
 if [ "$NODE_ENV" != "production" ]; then
     if [ -f "prisma/seed.ts" ] || [ -f "prisma/seed.js" ]; then
         echo "Running database seed..."
-        npx prisma db seed
+        ./node_modules/.bin/prisma db seed
     fi
 fi
 
 echo "Verifying database connection..."
-if ! echo "SELECT 1" | npx prisma db execute --stdin --schema prisma/schema.prisma >/dev/null 2>&1; then
+if ! echo "SELECT 1" | ./node_modules/.bin/prisma db execute --stdin --schema prisma/schema.prisma >/dev/null 2>&1; then
     echo "Cannot connect to database or execute query."
     exit 1
 fi