fix: standardize deployment data directory and CI linting

deploy.sh

@@ -31,7 +31,7 @@ BASE_URL="${BASE_URL:-https://bzo.in}"
 
 CONTAINER_NAME="${CONTAINER_NAME:-bzod}"
 
-DATA_DIR="${BZOD_ROOT}/data"
+NX9_BZOD_DATA_DIR="${BZOD_ROOT}/data"
 CONFIG_DIR="${BZOD_ROOT}/config"
 IMAGES_DIR="${BZOD_ROOT}/images"
 COMPOSE_DIR="${BZOD_ROOT}/compose"
@@ -89,7 +89,7 @@ echo
 echo "Version:       ${BZOD_VERSION}"
 echo "Image:         ${IMAGE}"
 echo "Application:   ${BZOD_ROOT}"
-echo "Data:          ${DATA_DIR}"
+echo "Data:          ${NX9_BZOD_DATA_DIR}"
 echo "Config:        ${CONFIG_DIR}"
 echo "Images:        ${IMAGES_DIR}"
 echo "Port:          ${BZOD_PORT}"
@@ -154,7 +154,7 @@ success "✓ Docker and Docker Compose available"
 info "[2/8] Creating persistent application directories..."
 
 mkdir -p \
-    "${DATA_DIR}" \
+    "${NX9_BZOD_DATA_DIR}" \
     "${CONFIG_DIR}" \
     "${IMAGES_DIR}" \
     "${COMPOSE_DIR}" \
@@ -300,8 +300,8 @@ BACKUP_DIR="${BACKUP_ROOT}/pre-upgrade-${TIMESTAMP}-v${BZOD_VERSION}"
 
 mkdir -p "${BACKUP_DIR}"
 
-if [[ -d "${DATA_DIR}" ]]; then
-    cp -a "${DATA_DIR}" "${BACKUP_DIR}/data"
+if [[ -d "${NX9_BZOD_DATA_DIR}" ]]; then
+    cp -a "${NX9_BZOD_DATA_DIR}" "${BACKUP_DIR}/data"
 fi
 
 if [[ -d "${CONFIG_DIR}" ]]; then
@@ -451,7 +451,7 @@ echo "  http://<server-ip>:${BZOD_PORT}"
 
 echo
 echo "Persistent data:"
-echo "  ${DATA_DIR}"
+echo "  ${NX9_BZOD_DATA_DIR}"
 
 echo
 echo "Persistent images:"