feat: Add LibreTranslate self-hosted translation service

- Add LibreTranslate service with 50+ language support
- Configure with Basic Auth for security
- Integrate with wizard and final report
- Add documentation to README

scripts/03_generate_secrets.sh

@@ -54,6 +54,7 @@ declare -A VARS_TO_GENERATE=(
     ["COMFYUI_PASSWORD"]="password:32" # Added ComfyUI basic auth password
     ["RAGAPP_PASSWORD"]="password:32" # Added RAGApp basic auth password
     ["PADDLEOCR_PASSWORD"]="password:32" # Added PaddleOCR basic auth password
+    ["LIBRETRANSLATE_PASSWORD"]="password:32" # Added LibreTranslate basic auth password
 )
 
 # Initialize existing_env_vars and attempt to read .env if it exists
@@ -375,6 +376,7 @@ generated_values["WEAVIATE_USERNAME"]="$USER_EMAIL" # Set Weaviate username for
 generated_values["COMFYUI_USERNAME"]="$USER_EMAIL" # Set ComfyUI username for Caddy
 generated_values["RAGAPP_USERNAME"]="$USER_EMAIL" # Set RAGApp username for Caddy
 generated_values["PADDLEOCR_USERNAME"]="$USER_EMAIL" # Set PaddleOCR username for Caddy
+generated_values["LIBRETRANSLATE_USERNAME"]="$USER_EMAIL" # Set LibreTranslate username for Caddy
 
 if [[ -n "$OPENAI_API_KEY" ]]; then
     generated_values["OPENAI_API_KEY"]="$OPENAI_API_KEY"
@@ -401,6 +403,7 @@ found_vars["NEO4J_AUTH_USERNAME"]=0
 found_vars["COMFYUI_USERNAME"]=0
 found_vars["RAGAPP_USERNAME"]=0
 found_vars["PADDLEOCR_USERNAME"]=0
+found_vars["LIBRETRANSLATE_USERNAME"]=0
 
 # Read template, substitute domain, generate initial values
 while IFS= read -r line || [[ -n "$line" ]]; do
@@ -447,7 +450,7 @@ while IFS= read -r line || [[ -n "$line" ]]; do
             # This 'else' block is for lines from template not covered by existing values or VARS_TO_GENERATE.
             # Check if it is one of the user input vars - these are handled by found_vars later if not in template.
             is_user_input_var=0 # Reset for each line
-            user_input_vars=("FLOWISE_USERNAME" "DASHBOARD_USERNAME" "LETSENCRYPT_EMAIL" "RUN_N8N_IMPORT" "PROMETHEUS_USERNAME" "SEARXNG_USERNAME" "OPENAI_API_KEY" "LANGFUSE_INIT_USER_EMAIL" "N8N_WORKER_COUNT" "WEAVIATE_USERNAME" "NEO4J_AUTH_USERNAME" "COMFYUI_USERNAME" "RAGAPP_USERNAME")
+            user_input_vars=("FLOWISE_USERNAME" "DASHBOARD_USERNAME" "LETSENCRYPT_EMAIL" "RUN_N8N_IMPORT" "PROMETHEUS_USERNAME" "SEARXNG_USERNAME" "OPENAI_API_KEY" "LANGFUSE_INIT_USER_EMAIL" "N8N_WORKER_COUNT" "WEAVIATE_USERNAME" "NEO4J_AUTH_USERNAME" "COMFYUI_USERNAME" "RAGAPP_USERNAME" "PADDLEOCR_USERNAME" "LIBRETRANSLATE_USERNAME")
             for uivar in "${user_input_vars[@]}"; do
                 if [[ "$varName" == "$uivar" ]]; then
                     is_user_input_var=1
@@ -529,7 +532,7 @@ if [[ -z "${generated_values[SERVICE_ROLE_KEY]}" ]]; then
 fi
 
 # Add any custom variables that weren't found in the template
-for var in "FLOWISE_USERNAME" "DASHBOARD_USERNAME" "LETSENCRYPT_EMAIL" "RUN_N8N_IMPORT" "OPENAI_API_KEY" "PROMETHEUS_USERNAME" "SEARXNG_USERNAME" "LANGFUSE_INIT_USER_EMAIL" "N8N_WORKER_COUNT" "WEAVIATE_USERNAME" "NEO4J_AUTH_USERNAME" "COMFYUI_USERNAME" "RAGAPP_USERNAME"; do
+for var in "FLOWISE_USERNAME" "DASHBOARD_USERNAME" "LETSENCRYPT_EMAIL" "RUN_N8N_IMPORT" "OPENAI_API_KEY" "PROMETHEUS_USERNAME" "SEARXNG_USERNAME" "LANGFUSE_INIT_USER_EMAIL" "N8N_WORKER_COUNT" "WEAVIATE_USERNAME" "NEO4J_AUTH_USERNAME" "COMFYUI_USERNAME" "RAGAPP_USERNAME" "PADDLEOCR_USERNAME" "LIBRETRANSLATE_USERNAME"; do
     if [[ ${found_vars["$var"]} -eq 0 && -v generated_values["$var"] ]]; then
         # Before appending, check if it's already in TMP_ENV_FILE to avoid duplicates
         if ! grep -q -E "^${var}=" "$TMP_ENV_FILE"; then
@@ -676,6 +679,17 @@ if [[ -z "$FINAL_RAGAPP_HASH" && -n "$RAGAPP_PLAIN_PASS" ]]; then
 fi
 _update_or_add_env_var "RAGAPP_PASSWORD_HASH" "$FINAL_RAGAPP_HASH"
 
+# --- LIBRETRANSLATE ---
+LIBRETRANSLATE_PLAIN_PASS="${generated_values["LIBRETRANSLATE_PASSWORD"]}"
+FINAL_LIBRETRANSLATE_HASH="${generated_values[LIBRETRANSLATE_PASSWORD_HASH]}"
+if [[ -z "$FINAL_LIBRETRANSLATE_HASH" && -n "$LIBRETRANSLATE_PLAIN_PASS" ]]; then
+    NEW_HASH=$(_generate_and_get_hash "$LIBRETRANSLATE_PLAIN_PASS")
+    if [[ -n "$NEW_HASH" ]]; then
+        FINAL_LIBRETRANSLATE_HASH="$NEW_HASH"
+        generated_values["LIBRETRANSLATE_PASSWORD_HASH"]="$NEW_HASH"
+    fi
+fi
+_update_or_add_env_var "LIBRETRANSLATE_PASSWORD_HASH" "$FINAL_LIBRETRANSLATE_HASH"
 
 if [ $? -eq 0 ]; then # This $? reflects the status of the last mv command from the last _update_or_add_env_var call.
     # For now, assuming if we reached here and mv was fine, primary operations were okay.
@@ -689,4 +703,4 @@ fi
 # Uninstall caddy
 apt remove -y caddy
 
-exit 0 
+exit 0

scripts/04_wizard.sh

@@ -58,6 +58,7 @@ base_services_data=(
     "gotenberg" "Gotenberg (Document Conversion API)"
     "langfuse" "Langfuse Suite (AI Observability - includes Clickhouse, Minio)"
     "letta" "Letta (Agent Server & SDK)"
+    "libretranslate" "LibreTranslate (Self-hosted translation API - 50+ languages)"
     "monitoring" "Monitoring Suite (Prometheus, Grafana, cAdvisor, Node-Exporter)"
     "n8n" "n8n, n8n-worker, n8n-import (Workflow Automation)"
     "neo4j" "Neo4j (Graph Database)"
@@ -287,4 +288,4 @@ fi
 # Make the script executable (though install.sh calls it with bash)
 chmod +x "$SCRIPT_DIR/04_wizard.sh"
 
-exit 0 
+exit 0

scripts/06_final_report.sh

@@ -164,6 +164,29 @@ if is_profile_active "comfyui"; then
   echo "Password: ${COMFYUI_PASSWORD:-<not_set_in_env>}"
 fi
 
+if is_profile_active "libretranslate"; then
+  echo
+  echo "================================= LibreTranslate ==========================="
+  echo
+  echo "Host: ${LIBRETRANSLATE_HOSTNAME:-<hostname_not_set>}"
+  echo "User: ${LIBRETRANSLATE_USERNAME:-<not_set_in_env>}"
+  echo "Password: ${LIBRETRANSLATE_PASSWORD:-<not_set_in_env>}"
+  echo "API (external via Caddy): https://${LIBRETRANSLATE_HOSTNAME:-<hostname_not_set>}"
+  echo "API (internal): http://libretranslate:5000"
+  echo ""
+  echo "API Endpoints:"
+  echo "  - Translate: POST /translate"
+  echo "  - Detect Language: POST /detect"
+  echo "  - Available Languages: GET /languages"
+  echo ""
+  echo "Example n8n usage:"
+  echo "  URL: http://libretranslate:5000/translate"
+  echo "  Method: POST"
+  echo "  Body: {\"q\":\"Hello\",\"source\":\"en\",\"target\":\"de\"}"
+  echo ""
+  echo "Docs: https://github.com/LibreTranslate/LibreTranslate"
+fi
+
 if is_profile_active "qdrant"; then
   echo
   echo "================================= Qdrant =============================="
@@ -333,5 +356,3 @@ echo "======================================================================"
 echo
 log_info "Thank you for using this installer setup!"
 echo
-
-exit 0