replace set -euo pipefail with explicit error handling + stdout checkpoints

install.sh

@@ -1,6 +1,11 @@
 #!/usr/bin/env bash
-set -euo pipefail
-trap 'echo -e "\033[0;31m✘\033[0m ERROR on line $LINENO: exit code $?" >&2; exit 1' ERR
+set -u
+error_handler() {
+  local line=$1 code=$2
+  echo -e "\033[0;31m✘\033[0m ERROR on line $line: exit code $code"
+  exit 1
+}
+trap 'error_handler $LINENO $?' ERR
 
 REPO="lendry/sso-mvk"
 GIT_HOST="git.lendry.ru"
@@ -264,12 +269,11 @@ for i in $(seq 1 30); do
   fi
   sleep 2
 done
-echo "DBG: after postgres loop" >&2
 
-echo "DBG: before redis wait" >&2
+echo "=== CHECKPOINT: after postgres loop ==="
+
 info "Waiting for Redis..."
-for i in $(seq 1 15); do
-  echo "DBG: redis attempt $i" >&2
+for ((i=1; i<=15; i++)); do
   if $SUDO docker compose exec -T redis redis-cli ping 2>/dev/null | grep -q PONG; then
     info "Redis is ready"
     break
@@ -279,41 +283,41 @@ for i in $(seq 1 15); do
   fi
   sleep 2
 done
-echo "DBG: after redis wait" >&2
+echo "=== CHECKPOINT: after redis loop ==="
 
 # ─── 6. Dependencies & Prisma ────────────────────────────────────
-echo "DBG: step 6" >&2
+echo "=== CHECKPOINT: step 6 ==="
 step "6/8  Installing dependencies"
-echo "DBG: npm ci" >&2
+echo "=== CHECKPOINT: npm ci ==="
 npm ci --no-audit --no-fund || error "'npm ci' failed. Check network / ${INSTALL_DIR}/package-lock.json"
-echo "DBG: npm ci done" >&2
+echo "=== CHECKPOINT: npm ci done ==="
 info "npm dependencies installed"
 
-echo "DBG: prisma generate" >&2
+echo "=== CHECKPOINT: prisma generate ==="
 npx prisma generate || error "'prisma generate' failed."
-echo "DBG: prisma generate done" >&2
+echo "=== CHECKPOINT: prisma generate done ==="
 info "Prisma client generated"
 
 export DATABASE_URL
-echo "DBG: prisma db push" >&2
+echo "=== CHECKPOINT: prisma db push ==="
 npx prisma db push --skip-generate || error "'prisma db push' failed. Is PostgreSQL accessible? Check ${INSTALL_DIR}/.env DATABASE_URL"
-echo "DBG: prisma db push done" >&2
+echo "=== CHECKPOINT: prisma db push done ==="
 info "Database schema applied"
 
 # ─── 7. Seed ─────────────────────────────────────────────────────
-echo "DBG: step 7" >&2
+echo "=== CHECKPOINT: step 7 ==="
 step "7/8  Seeding database"
-echo "DBG: seed" >&2
+echo "=== CHECKPOINT: seed ==="
 npx ts-node -P tsconfig.json prisma/seed.ts || error "Seed failed."
-echo "DBG: seed done" >&2
+echo "=== CHECKPOINT: seed done ==="
 info "Seed data created"
 
 # ─── 8. Build & Start ────────────────────────────────────────────
-echo "DBG: step 8" >&2
+echo "=== CHECKPOINT: step 8 ==="
 step "8/8  Building and starting SSO Service"
-echo "DBG: build" >&2
+echo "=== CHECKPOINT: build ==="
 npm run build || error "'npm run build' failed. Check TypeScript errors above."
-echo "DBG: build done" >&2
+echo "=== CHECKPOINT: build done ==="
 info "Application built"
 
 # Остановить предыдущий процесс, если был