feat: add init-config.sh

scripts/init-config.sh

@@ -35,6 +35,8 @@ declare -A TEMPLATES=(
   ["${OPENIM_ROOT}/deployments/templates/alertmanager.yml"]="${OPENIM_ROOT}/config/alertmanager.yml"
 )
 
+openim::log::info "Read more configuration information: https://github.com/openimsdk/open-im-server/blob/main/docs/contrib/environment.md"
+
 for template in "${!TEMPLATES[@]}"; do
   if [[ ! -f "${template}" ]]; then
     openim::log::error_exit "template file ${template} does not exist..."
@@ -42,6 +44,16 @@ for template in "${!TEMPLATES[@]}"; do
 
   IFS=';' read -ra OUTPUT_FILES <<< "${TEMPLATES[$template]}"
   for output_file in "${OUTPUT_FILES[@]}"; do
+    if [[ -f "${output_file}" ]]; then
+      read -p "File ${output_file} already exists. Overwrite? (Y/N): " -r
+      if [[ $REPLY =~ ^[Yy]$ ]]; then
+        openim::log::info "Overwriting ${output_file}. Previous configuration will be lost."
+      else
+        openim::log::info "Skipping generation of ${output_file}."
+        continue
+      fi
+    fi
+
     openim::log::info "⌚  Working with template file: ${template} to ${output_file}..."
     "${OPENIM_ROOT}/scripts/genconfig.sh" "${ENV_FILE}" "${template}" > "${output_file}" || {
       openim::log::error "Error processing template file ${template}"