Add Letta service configuration and update documentation

- Added Letta service to docker-compose.yml with necessary environment variables and volume configuration.
- Updated Caddyfile to include reverse proxy for Letta.
- Included Letta in the README.md for service availability and provided a brief description.
- Enhanced scripts to generate Letta server password and report its status in the final report.
- Updated .env.example to include Letta hostname and server password variable.

.env.example

@@ -106,6 +106,7 @@ LANGFUSE_HOSTNAME=langfuse.yourdomain.com
 GRAFANA_HOSTNAME=grafana.yourdomain.com
 SEARXNG_HOSTNAME=searxng.yourdomain.com
 PROMETHEUS_HOSTNAME=prometheus.yourdomain.com
+LETTA_HOSTNAME=letta.yourdomain.com
 LETSENCRYPT_EMAIL=
 
 
@@ -238,3 +239,6 @@ DOCKER_SOCKET_LOCATION=/var/run/docker.sock
 # Google Cloud Project details
 GOOGLE_PROJECT_ID=GOOGLE_PROJECT_ID
 GOOGLE_PROJECT_NUMBER=GOOGLE_PROJECT_NUMBER
+
+# Letta
+LETTA_SERVER_PASSWORD=

Caddyfile

@@ -35,6 +35,11 @@
     reverse_proxy grafana:3000
 }
 
+# Letta
+{$LETTA_HOSTNAME} {
+    reverse_proxy letta:8283
+}
+
 # Prometheus
 {$PROMETHEUS_HOSTNAME} {
     basic_auth { 

README.md

@@ -40,6 +40,8 @@ The installer also makes the following powerful open-source tools **available fo
 
 ✅ [**Crawl4ai**](https://github.com/Alfresco/crawl4ai) - A flexible web crawler designed for AI, enabling you to extract data from websites for your projects.
 
+✅ [**Letta**](https://docs.letta.com/) - An open-source agent server and SDK that can be connected to various LLM API backends (OpenAI, Anthropic, Ollama, etc.), enabling you to build and manage AI agents.
+
 ✅ [**Prometheus**](https://prometheus.io/) - An open-source monitoring and alerting toolkit to keep an eye on system health.
 
 ✅ [**Grafana**](https://grafana.com/) - An open-source platform for visualizing monitoring data, helping you understand system performance at a glance.
@@ -109,6 +111,7 @@ The services will be available at the following addresses (replace `yourdomain.c
 - **Flowise:** `flowise.yourdomain.com`
 - **Supabase (Dashboard):** `supabase.yourdomain.com`
 - **Langfuse:** `langfuse.yourdomain.com`
+- **Letta:** `letta.yourdomain.com`
 - **Grafana:** `grafana.yourdomain.com`
 - **SearXNG:** `searxng.yourdomain.com`
 - **Prometheus:** `prometheus.yourdomain.com`

docker-compose.yml

@@ -12,6 +12,7 @@ volumes:
   langfuse_minio_data:
   grafana:
   prometheus_data:
+  letta_data:
 
 x-n8n: &service-n8n
   image: n8nio/n8n:latest
@@ -402,3 +403,19 @@ services:
         limits:
           cpus: "1.0"
           memory: 4G # Increased based on documentation recommendation
+
+  letta:
+    image: letta/letta:latest
+    container_name: letta
+    profiles: ["letta"]
+    restart: unless-stopped
+    volumes:
+      - letta_data:/var/lib/postgresql/data
+    environment:
+      OPENAI_API_KEY: ${OPENAI_API_KEY:-}
+      ANTHROPIC_API_KEY: ${ANTHROPIC_API_KEY:-}
+      OLLAMA_BASE_URL: ${OLLAMA_BASE_URL:-}
+      SECURE: ${LETTA_SECURE:-true}
+      LETTA_SERVER_PASSWORD: ${LETTA_SERVER_PASSWORD:-}
+    extra_hosts:
+      - "host.docker.internal:host-gateway"

scripts/03_generate_secrets.sh

@@ -41,6 +41,7 @@ declare -A VARS_TO_GENERATE=(
     ["LOGFLARE_API_KEY"]="secret:64" # base64 encoded, 48 bytes -> 64 chars
     ["PROMETHEUS_PASSWORD"]="password:32" # Added Prometheus password
     ["SEARXNG_PASSWORD"]="password:32" # Added SearXNG admin password
+    ["LETTA_SERVER_PASSWORD"]="password:32" # Added Letta server password
     ["LANGFUSE_INIT_USER_PASSWORD"]="password:32"
     ["LANGFUSE_INIT_PROJECT_PUBLIC_KEY"]="langfuse_pk:32"
     ["LANGFUSE_INIT_PROJECT_SECRET_KEY"]="langfuse_sk:32"

scripts/04_wizard.sh

@@ -40,13 +40,14 @@ export DEBIAN_FRONTEND=dialog
 services=(
     "n8n" "n8n, n8n-worker, n8n-import (Workflow Automation)" "ON"
     "flowise" "Flowise (AI Agent Builder)" "ON"
-    "supabase" "Supabase (Backend as a Service)" "ON"
-    "qdrant" "Qdrant (Vector Database)" "ON"
     "monitoring" "Monitoring Suite (Prometheus, Grafana, cAdvisor, Node-Exporter)" "ON"
-    "langfuse" "Langfuse Suite (AI Observability - includes Clickhouse, Minio)" "ON"
-    "open-webui" "Open WebUI (ChatGPT-like Interface)" "ON"
-    "searxng" "SearXNG (Private Metasearch Engine)" "ON"
-    "crawl4ai" "Crawl4ai (Web Crawler for AI)" "ON"
+    "qdrant" "Qdrant (Vector Database)" "OFF"
+    "supabase" "Supabase (Backend as a Service)" "OFF"
+    "langfuse" "Langfuse Suite (AI Observability - includes Clickhouse, Minio)" "OFF"
+    "open-webui" "Open WebUI (ChatGPT-like Interface)" "OFF"
+    "searxng" "SearXNG (Private Metasearch Engine)" "OFF"
+    "crawl4ai" "Crawl4ai (Web Crawler for AI)" "OFF"
+    "letta" "Letta (Agent Server & SDK)" "OFF"
 )
 
 # Use whiptail to display the checklist

scripts/06_final_report.sh

@@ -159,6 +159,14 @@ if is_profile_active "n8n" || is_profile_active "langfuse"; then
   echo "(Note: Primarily for internal service communication, not exposed externally by default)"
 fi
 
+if is_profile_active "letta"; then
+  echo
+  echo "================================= Letta ================================"
+  echo
+  echo "Host: ${LETTA_HOSTNAME:-<hostname_not_set>}"
+  echo "Authorization: Bearer ${LETTA_SERVER_PASSWORD}"
+fi
+
 echo
 echo "======================================================================="
 echo