diff --git a/scripts/deploy-github.sh b/scripts/deploy-github.sh
index a2baed5..3328a4c 100644
--- a/scripts/deploy-github.sh
+++ b/scripts/deploy-github.sh
@@ -3,112 +3,301 @@ set -Eeuo pipefail
 
 APP="/var/www/dhv2.korexlabs.com"
 KEY="/root/.ssh/dhv2_github"
+BACKUP_ROOT="/root/DH_V2_BACKUPS"
 DEPLOY_REF="${DHV2_DEPLOY_REF:-deploy}"
-LOG="$(mktemp /tmp/dhv2-android-discovery.XXXXXX.log)"
-STATUS="$(mktemp /tmp/dhv2-android-discovery-status.XXXXXX)"
+STAMP="$(date +%Y%m%d_%H%M%S)"
+BACKUP="$BACKUP_ROOT/GITHUB_DEPLOY_${STAMP}"
+STAGE="/root/dhv2-github-stage-${STAMP}"
+LOG="/tmp/dhv2-github-deploy-${STAMP}.log"
+API_TEST_IMAGE="dhv2-api:github-${STAMP}"
+WEB_TEST_IMAGE="dhv2-web:github-${STAMP}"
+PHASE="bootstrap"
+PREV_SHA=""
+TARGET_SHA=""
+EXPECTED_API_VERSION=""
+EXPECTED_WEB_VERSION=""
+APP_TOUCHED=0
 
 cd "$APP"
 export GIT_SSH_COMMAND="ssh -i $KEY -o IdentitiesOnly=yes -o StrictHostKeyChecking=accept-new"
 exec > >(tee -a "$LOG") 2>&1
 
+cleanup() {
+  set +e
+  git worktree remove --force "$STAGE" >/dev/null 2>&1 || true
+  rm -rf "$STAGE"
+  docker image rm "$API_TEST_IMAGE" "$WEB_TEST_IMAGE" >/dev/null 2>&1 || true
+}
+
 publish_status() {
   local rc="${1:-1}"
   set +e
+
   local outcome="failure"
   [ "$rc" -eq 0 ] && outcome="success"
-  local current target status_blob log_blob tree commit
+  local current="unknown"
   current="$(git rev-parse HEAD 2>/dev/null || echo unknown)"
-  target="$(git rev-parse origin/$DEPLOY_REF 2>/dev/null || echo unknown)"
+  local status_file log_file status_blob log_blob tree commit
+
+  status_file="$(mktemp /tmp/dhv2-status.XXXXXX)"
+  log_file="$(mktemp /tmp/dhv2-log.XXXXXX)"
+
   {
     echo "status=$outcome"
     echo "exit_code=$rc"
-    echo "phase=android-source-discovery"
+    echo "phase=$PHASE"
     echo "timestamp=$(date --iso-8601=seconds)"
     echo "deploy_ref=$DEPLOY_REF"
-    echo "target_sha=$target"
+    echo "previous_sha=${PREV_SHA:-unknown}"
+    echo "target_sha=${TARGET_SHA:-unknown}"
     echo "current_sha=$current"
-    echo "app_touched=0"
-    echo "backup=not-required-read-only"
-  } > "$STATUS"
-  status_blob="$(git hash-object -w "$STATUS" 2>/dev/null || true)"
-  log_blob="$(git hash-object -w "$LOG" 2>/dev/null || true)"
+    echo "api_version=${EXPECTED_API_VERSION:-unknown}"
+    echo "web_version=${EXPECTED_WEB_VERSION:-unknown}"
+    echo "app_touched=$APP_TOUCHED"
+    echo "backup=${BACKUP:-unknown}"
+  } > "$status_file"
+
+  tail -n 500 "$LOG" > "$log_file" 2>/dev/null || true
+  status_blob="$(git hash-object -w "$status_file" 2>/dev/null || true)"
+  log_blob="$(git hash-object -w "$log_file" 2>/dev/null || true)"
+
   if [ -n "$status_blob" ] && [ -n "$log_blob" ]; then
     tree="$(printf '100644 blob %s\tdeploy.log\n100644 blob %s\tstatus.txt\n' "$log_blob" "$status_blob" | git mktree 2>/dev/null || true)"
     if [ -n "$tree" ]; then
-      commit="$(printf 'deploy-status: %s · android-source-discovery\n' "$outcome" | git -c user.name='DH V2 Deploy Bot' -c user.email='deploy@dhv2.local' commit-tree "$tree" 2>/dev/null || true)"
+      commit="$(printf 'deploy-status: %s · phase %s\n' "$outcome" "$PHASE" | git -c user.name='DH V2 Deploy Bot' -c user.email='deploy@dhv2.local' commit-tree "$tree" 2>/dev/null || true)"
       [ -z "$commit" ] || git push --force origin "$commit:refs/heads/deploy-status" >/dev/null 2>&1 || true
     fi
   fi
-  rm -f "$STATUS" "$LOG"
+
+  rm -f "$status_file" "$log_file"
 }
-trap 'rc=$?; trap - EXIT; publish_status "$rc"; exit "$rc"' EXIT
 
+on_exit() {
+  local rc=$?
+  trap - EXIT ERR
+  cleanup
+  publish_status "$rc"
+  exit "$rc"
+}
+trap on_exit EXIT
+
+rollback() {
+  local rc=$?
+  trap - ERR
+  PHASE="rollback"
+
+  echo
+  echo "============================================================"
+  echo " DH V2 · DEPLOY FALLÓ · ROLLBACK"
+  echo "============================================================"
+
+  cd "$APP"
+  if [ "$APP_TOUCHED" -eq 1 ] && [ -n "${PREV_SHA:-}" ]; then
+    echo "Restaurando aplicación al commit previo: $PREV_SHA"
+    git reset --hard "$PREV_SHA" || true
+    docker compose build api web </dev/null || true
+    docker compose up -d --no-deps --force-recreate api web </dev/null || true
+  else
+    echo "El candidato falló antes de modificar producción; no se reconstruye ni reinicia la aplicación activa."
+  fi
+
+  echo
+  echo "Estado actual:"
+  docker compose ps -a </dev/null || true
+
+  if [ "$APP_TOUCHED" -eq 1 ]; then
+    echo
+    echo "Últimos logs:"
+    docker compose logs --tail=160 api web </dev/null || true
+  fi
+
+  echo
+  if [ -d "$BACKUP" ]; then
+    echo "Backup PRE disponible en: $BACKUP"
+    echo "Las migraciones son forward-only; database-before.dump queda disponible para restauración manual si hiciera falta."
+  else
+    echo "No fue necesario crear backup PRE: el fallo ocurrió durante el preflight del candidato, antes de tocar producción."
+  fi
+  exit "$rc"
+}
+trap rollback ERR
+
+echo
 echo "============================================================"
-echo " DH V2 · ANDROID SOURCE DISCOVERY · SOLO LECTURA"
+echo " DH V2 · DEPLOY DESDE GITHUB · $DEPLOY_REF"
 echo "============================================================"
 
+for cmd in git docker curl tar node; do
+  command -v "$cmd" >/dev/null || { echo "ERROR: falta $cmd"; false; }
+done
+[ -f "$KEY" ] || { echo "ERROR: falta deploy key $KEY"; false; }
+[ -d .git ] || { echo "ERROR: $APP no es repositorio Git"; false; }
+[ -f .env ] || { echo "ERROR: falta $APP/.env"; false; }
+
+git config --global --get-all safe.directory 2>/dev/null | grep -Fxq "$APP" || git config --global --add safe.directory "$APP"
+
+if [ -n "$(git status --porcelain --untracked-files=no)" ]; then
+  echo "ERROR: hay cambios locales versionados en producción."
+  git status --short
+  false
+fi
+
+PREV_SHA="$(git rev-parse HEAD)"
+PHASE="fetch"
 git fetch origin "$DEPLOY_REF"
-TARGET="$(git rev-parse "origin/$DEPLOY_REF")"
-CURRENT="$(git rev-parse HEAD)"
-echo "Current: $CURRENT"
-echo "Target:  $TARGET"
-git merge-base --is-ancestor "$CURRENT" "$TARGET"
+TARGET_SHA="$(git rev-parse "origin/$DEPLOY_REF")"
+
+echo "Actual:   $PREV_SHA"
+echo "Objetivo: $TARGET_SHA"
+
+if [ "$TARGET_SHA" = "$PREV_SHA" ]; then
+  echo "Producción ya está en el commit autorizado."
+  PHASE="complete"
+  exit 0
+fi
+
+if ! git merge-base --is-ancestor "$PREV_SHA" "$TARGET_SHA"; then
+  echo "ERROR: origin/$DEPLOY_REF no es fast-forward desde producción."
+  false
+fi
+
+PHASE="candidate-preflight"
+rm -rf "$STAGE"
+git worktree add --detach "$STAGE" "$TARGET_SHA" >/dev/null
+
+EXPECTED_API_VERSION="$(node -p "require('$STAGE/api-v3/package.json').version")"
+EXPECTED_WEB_VERSION="$(node -p "require('$STAGE/web-v2/package.json').version")"
+
+echo "API candidata: $EXPECTED_API_VERSION"
+echo "WEB candidata: $EXPECTED_WEB_VERSION"
+
+docker compose --env-file "$APP/.env" -f "$STAGE/docker-compose.yml" config >/dev/null
+
+while IFS= read -r -d '' script; do
+  bash -n "$script"
+done < <(find "$STAGE/scripts" -type f -name '*.sh' -print0)
 
 echo
-echo "========== PROYECTOS GRADLE / ANDROID =========="
-for root in /root /var/www /home /tmp; do
-  [ -d "$root" ] || continue
-  find "$root" -maxdepth 9 -type f \
-    \( -name gradlew -o -name settings.gradle -o -name settings.gradle.kts -o -name build.gradle -o -name build.gradle.kts \) \
-    -printf '%TY-%Tm-%Td %TH:%TM  %10s  %p\n' 2>/dev/null || true
-done | sort -r | head -300
+echo "========== TEST API CANDIDATA =========="
+docker build --target builder -t "$API_TEST_IMAGE" "$STAGE/api-v3" </dev/null
+docker run --rm \
+  -v "$STAGE/api-v3/test:/app/test:ro" \
+  -v "$STAGE/api-v3/tsconfig.test.json:/app/tsconfig.test.json:ro" \
+  "$API_TEST_IMAGE" npm test </dev/null
 
 echo
-echo "========== ZIP / APK / AAB RELACIONADOS =========="
-for root in /root /var/www /home /tmp; do
-  [ -d "$root" ] || continue
-  find "$root" -maxdepth 10 -type f \
-    \( -iname '*android*.zip' -o -iname '*inspeccion*.zip' -o -iname '*dh*.apk' -o -iname '*inspeccion*.apk' -o -iname '*.aab' -o -iname '*E1.1*' -o -iname '*E1_1*' -o -iname '*E1.2*' -o -iname '*E1_2*' -o -iname '*F2.2*' -o -iname '*F2_2*' \) \
-    -printf '%TY-%Tm-%Td %TH:%TM  %10s  %p\n' 2>/dev/null || true
-done | sort -r | head -300
+echo "========== BUILD WEB CANDIDATA =========="
+docker build -t "$WEB_TEST_IMAGE" "$STAGE/web-v2" </dev/null
 
+PHASE="backup"
 echo
-echo "========== VERSIONES ANDROID =========="
-for root in /root /var/www /home /tmp; do
-  [ -d "$root" ] || continue
-  find "$root" -maxdepth 10 -type f \( -name build.gradle -o -name build.gradle.kts \) -print0 2>/dev/null || true
-done | while IFS= read -r -d '' f; do
-  if grep -Eq 'applicationId|versionCode|versionName|namespace' "$f" 2>/dev/null; then
-    echo "----- $f -----"
-    grep -nE 'applicationId|namespace|versionCode|versionName' "$f" 2>/dev/null | head -30 || true
-  fi
-done
+echo "========== BACKUP PRE =========="
+install -d -m 700 "$BACKUP"
+docker compose exec -T db sh -lc 'pg_dump -U "$POSTGRES_USER" -d "$POSTGRES_DB" -Fc' </dev/null > "$BACKUP/database-before.dump"
+tar \
+  --exclude='./.git' \
+  --exclude='./.env' \
+  --exclude='*/node_modules' \
+  --exclude='*/dist' \
+  --exclude='*.zip' \
+  --exclude='*.tar.gz' \
+  --exclude='*.tgz' \
+  -czf "$BACKUP/source-before.tar.gz" .
+install -m 600 .env "$BACKUP/.env"
+git rev-parse HEAD > "$BACKUP/previous.sha"
+printf '%s\n' "$TARGET_SHA" > "$BACKUP/target.sha"
+docker compose ps -a > "$BACKUP/docker-before.txt"
+(
+  cd "$BACKUP"
+  sha256sum database-before.dump source-before.tar.gz .env previous.sha target.sha docker-before.txt > SHA256SUMS.txt
+  sha256sum -c SHA256SUMS.txt
+)
+chmod 600 "$BACKUP"/* "$BACKUP/.env" 2>/dev/null || true
 
+PHASE="fast-forward"
 echo
-echo "========== GIT REPOS CON GRADLE =========="
-for root in /root /var/www /home /tmp; do
-  [ -d "$root" ] || continue
-  find "$root" -maxdepth 9 -type d -name .git -print 2>/dev/null || true
-done | while read -r gitdir; do
-  dir="${gitdir%/.git}"
-  if find "$dir" -maxdepth 3 \( -name gradlew -o -name settings.gradle -o -name settings.gradle.kts \) -print -quit 2>/dev/null | grep -q .; then
-    echo "----- $dir -----"
-    git -C "$dir" status --short --branch 2>/dev/null || true
-    git -C "$dir" log -8 --oneline 2>/dev/null || true
-  fi
-done
-
-echo
-echo "========== HUELLA KOTLIN / COMPOSE =========="
-for root in /root /var/www /home /tmp; do
-  [ -d "$root" ] || continue
-  find "$root" -maxdepth 10 -type f -name '*.kt' -printf '%h\n' 2>/dev/null || true
-done | grep -Ei 'dh|inspe|android|mobile|app' | sort -u | head -300
-
-echo
-echo "DISCOVERY_OK"
-
-echo
-echo "========== REGISTRAR COMMIT DIAGNÓSTICO =========="
+echo "========== FAST-FORWARD =========="
+git log --oneline --no-decorate "$PREV_SHA..$TARGET_SHA"
+APP_TOUCHED=1
 git merge --ff-only "origin/$DEPLOY_REF"
-echo "Diagnostic commit registrado localmente: $(git rev-parse HEAD)"
+
+PHASE="build"
+echo
+echo "========== BUILD PRODUCCIÓN =========="
+docker compose build api migrate web </dev/null
+
+PHASE="migrations"
+echo
+echo "========== MIGRACIONES =========="
+docker compose --profile tools run --rm migrate </dev/null
+docker compose --profile tools run --rm migrate npm run migration:show </dev/null | tee "$BACKUP/migrations.txt"
+grep -Fq 'Pending migrations: no' "$BACKUP/migrations.txt"
+
+PHASE="recreate"
+echo
+echo "========== RECREATE API + WEB =========="
+docker compose up -d --no-deps --force-recreate api web </dev/null
+
+PHASE="health"
+echo
+echo "========== HEALTH =========="
+HEALTH_OK=0
+for _ in $(seq 1 60); do
+  if curl -fsS --max-time 5 http://127.0.0.1:3101/api/v3/health > "$BACKUP/health.json" 2>/dev/null; then
+    if grep -F '"status":"ok"' "$BACKUP/health.json" >/dev/null; then
+      HEALTH_OK=1
+      break
+    fi
+  fi
+  sleep 2
+done
+
+if [ "$HEALTH_OK" -ne 1 ]; then
+  echo "ERROR: API no pasó healthcheck."
+  docker compose logs --tail=180 api
+  false
+fi
+
+cat "$BACKUP/health.json"
+echo
+
+grep -Fq "\"version\":\"$EXPECTED_API_VERSION\"" "$BACKUP/health.json"
+grep -Fq '"database":"ok"' "$BACKUP/health.json"
+
+WEB_CODE="$(curl -sS -o /dev/null -w '%{http_code}' --max-time 10 http://127.0.0.1:8182/)"
+[ "$WEB_CODE" = "200" ] || { echo "ERROR: WEB HTTP $WEB_CODE"; false; }
+
+PHASE="verify"
+echo
+echo "========== VERIFICACIÓN FINAL =========="
+docker compose ps -a | tee "$BACKUP/docker-after.txt"
+if docker compose ps --status running --services | grep -Fxq api && docker compose ps --status running --services | grep -Fxq web && docker compose ps --status running --services | grep -Fxq db; then
+  echo "Servicios críticos: OK"
+else
+  echo "ERROR: falta un servicio crítico en ejecución."
+  false
+fi
+
+PHASE="post-backup"
+docker compose exec -T db sh -lc 'pg_dump -U "$POSTGRES_USER" -d "$POSTGRES_DB" -Fc' </dev/null > "$BACKUP/database-after.dump"
+git rev-parse HEAD > "$BACKUP/deployed.sha"
+printf 'API=%s\nWEB=%s\n' "$EXPECTED_API_VERSION" "$EXPECTED_WEB_VERSION" > "$BACKUP/deployed-versions.txt"
+(
+  cd "$BACKUP"
+  sha256sum database-after.dump deployed.sha deployed-versions.txt health.json migrations.txt docker-after.txt >> SHA256SUMS.txt
+  sha256sum -c SHA256SUMS.txt
+)
+chmod 600 "$BACKUP"/* "$BACKUP/.env" 2>/dev/null || true
+
+PHASE="complete"
+trap - ERR
+
+echo
+echo "============================================================"
+echo " DH V2 · DEPLOY OK"
+echo "============================================================"
+echo "Commit: $TARGET_SHA"
+echo "API:    $EXPECTED_API_VERSION"
+echo "WEB:    $EXPECTED_WEB_VERSION"
+echo "Backup: $BACKUP"
+echo "============================================================"