add rag service

install/librechat-install.sh

@@ -15,14 +15,18 @@ update_os
 
 MONGO_VERSION="8.0" setup_mongodb
 setup_meilisearch
+PG_VERSION="17" setup_postgresql
+PG_DB_NAME="ragapi" PG_DB_USER="ragapi" PG_DB_EXTENSIONS="vector" setup_postgresql_db
 NODE_VERSION="22" setup_nodejs
+UV_PYTHON="3.11" setup_uv
 
 fetch_and_deploy_gh_tag "librechat" "danny-avila/LibreChat"
+fetch_and_deploy_gh_release "rag-api" "danny-avila/rag_api" "tarball"
 
-msg_info "Installing Dependencies"
+msg_info "Installing LibreChat Dependencies"
 cd /opt/librechat
 $STD npm ci
-msg_ok "Installed Dependencies"
+msg_ok "Installed LibreChat Dependencies"
 
 msg_info "Building Frontend"
 $STD npm run frontend
@@ -30,6 +34,13 @@ $STD npm prune --production
 $STD npm cache clean --force
 msg_ok "Built Frontend"
 
+msg_info "Installing RAG API Dependencies"
+cd /opt/rag-api
+$STD uv venv .venv
+$STD uv pip install --python .venv/bin/python -r requirements.lite.txt
+mkdir -p /opt/rag-api/uploads
+msg_ok "Installed RAG API Dependencies"
+
 msg_info "Configuring LibreChat"
 JWT_SECRET=$(openssl rand -hex 32)
 JWT_REFRESH_SECRET=$(openssl rand -hex 32)
@@ -59,15 +70,32 @@ SEARCH=true
 MEILI_NO_ANALYTICS=true
 MEILI_HOST=http://127.0.0.1:7700
 MEILI_MASTER_KEY=${MEILISEARCH_MASTER_KEY}
+RAG_PORT=8000
+RAG_API_URL=http://127.0.0.1:8000
 APP_TITLE=LibreChat
 EOF
 msg_ok "Configured LibreChat"
 
-msg_info "Creating Service"
+msg_info "Configuring RAG API"
+cat <<EOF >/opt/rag-api/.env
+VECTOR_DB_TYPE=pgvector
+DB_HOST=127.0.0.1
+DB_PORT=5432
+POSTGRES_DB=${PG_DB_NAME}
+POSTGRES_USER=${PG_DB_USER}
+POSTGRES_PASSWORD=${PG_DB_PASS}
+RAG_HOST=0.0.0.0
+RAG_PORT=8000
+JWT_SECRET=${JWT_SECRET}
+RAG_UPLOAD_DIR=/opt/rag-api/uploads/
+EOF
+msg_ok "Configured RAG API"
+
+msg_info "Creating Services"
 cat <<EOF >/etc/systemd/system/librechat.service
 [Unit]
 Description=LibreChat
-After=network.target mongod.service
+After=network.target mongod.service meilisearch.service rag-api.service
 
 [Service]
 Type=simple
@@ -81,8 +109,25 @@ RestartSec=5
 [Install]
 WantedBy=multi-user.target
 EOF
-systemctl enable -q --now librechat
-msg_ok "Created Service"
+cat <<EOF >/etc/systemd/system/rag-api.service
+[Unit]
+Description=LibreChat RAG API
+After=network.target postgresql.service
+
+[Service]
+Type=simple
+User=root
+WorkingDirectory=/opt/rag-api
+EnvironmentFile=/opt/rag-api/.env
+ExecStart=/opt/rag-api/.venv/bin/uvicorn main:app --host 0.0.0.0 --port 8000
+Restart=on-failure
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target
+EOF
+systemctl enable -q --now rag-api librechat
+msg_ok "Created Services"
 
 motd_ssh
 customize