Installer: Bootstrap optional PostgreSQL/Redis (#3152)

* Make optional postgres and redis in installer

install/config/config.yml

@@ -37,3 +37,8 @@ flags:
     disable_signup_without_invite: true
     disable_user_create_org: false
     allow_raw_resources: true
+
+{{if .IsPostgreSQL}}
+postgres:
+  connection_string: postgresql://pangolin:{{.IsPostgreSQLPass}}@postgres:5432/pangolin
+{{end}}

install/config/docker-compose.yml

@@ -1,7 +1,7 @@
 name: pangolin
 services:
   pangolin:
-    image: docker.io/fosrl/pangolin:{{if .IsEnterprise}}ee-{{end}}{{.PangolinVersion}}
+    image: docker.io/fosrl/pangolin:{{if .IsEnterprise}}ee-{{end}}{{if .IsPostgreSQL}}postgresql-{{end}}{{.PangolinVersion}}
     container_name: pangolin
     restart: unless-stopped
     deploy:
@@ -10,6 +10,20 @@ services:
           memory: 1g
         reservations:
           memory: 256m
+{{if or .IsPostgreSQL .IsRedis}}
+    depends_on:
+    {{if .IsPostgreSQL}}
+      postgres:
+        condition: service_healthy
+    {{end}}
+    {{if .IsRedis}}
+      redis:
+        condition: service_healthy
+    {{end}}
+    networks:
+      - default
+      - backend
+{{end}}
     volumes:
       - ./config:/app/config
     healthcheck:
@@ -60,8 +74,56 @@ services:
       - ./config/letsencrypt:/letsencrypt # Volume to store the Let's Encrypt certificates
       - ./config/traefik/logs:/var/log/traefik # Volume to store Traefik logs
 
+{{if .IsPostgreSQL}}
+  postgres:
+    image: postgres:18
+    container_name: postgres
+    restart: unless-stopped
+    environment:
+      POSTGRES_USER: pangolin
+      POSTGRES_PASSWORD: {{.IsPostgreSQLPass}}
+      POSTGRES_DB: pangolin
+    volumes:
+      - ./postgres18:/var/lib/postgresql
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U pangolin"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+    networks:
+      - backend
+{{end}}
+
+{{if .IsRedis}}
+  redis:
+    image: redis:8-trixie
+    container_name: redis
+    restart: unless-stopped
+    command: >
+      redis-server
+      --save 3600 1000
+      --appendonly yes
+      --requirepass {{.IsRedisPass}}
+    volumes:
+      - ./redis8:/data
+    healthcheck:
+      test: ["CMD", "redis-cli", "-a", "{{.IsRedisPass}}", "ping"]
+      interval: 10s
+      timeout: 3s
+      retries: 3
+      start_period: 10s
+    networks:
+      - backend
+{{end}}
+
 networks:
   default:
     driver: bridge
-    name: pangolin
+    name: pangolin_frontend
 {{if .EnableIPv6}}    enable_ipv6: true{{end}}
+{{if or .IsPostgreSQL .IsRedis}}
+  backend:
+    driver: bridge
+    name: pangolin_backend
+    internal: true
+{{end}}

install/config/privateConfig.yml

@@ -0,0 +1,6 @@
+{{if .IsRedis}}
+redis:
+  host: "redis"
+  port: 6379
+  password: "{{.IsRedisPass}}"
+{{end}}

install/main.go

@@ -57,6 +57,10 @@ type Config struct {
 	EnableMaxMind             bool
 	Secret                    string
 	IsEnterprise              bool
+    IsPostgreSQL              bool
+	IsPostgreSQLPass          string
+    IsRedis                   bool
+	IsRedisPass               string
 }
 
 type SupportedContainer string
@@ -486,6 +490,17 @@ func collectUserInput() Config {
 	fmt.Println("\n=== Basic Configuration ===")
 
 	config.IsEnterprise = readBoolNoDefault("Do you want to install the Enterprise version of Pangolin? The EE is free for personal use or for businesses making less than 100k USD annually.")
+    if config.IsEnterprise {
+        config.IsRedis = readBool("Do you want to run the Redis containers locally? Required for HA.")
+        if config.IsRedis {
+            config.IsRedisPass = readPassword("Enter a unique password for the Redis service.")
+        }
+    }
+
+    config.IsPostgreSQL = readBool("Do you want to run the PostgreSQL containers locally? Otherwise, default to the local SQLite database only.", false)
+	if config.IsPostgreSQL {
+		config.IsPostgreSQLPass = readPassword("Enter a unique password for the PostgreSQL pangolin user.")
+	}
 
 	config.BaseDomain = readString("Enter your base domain (no subdomain e.g. example.com)", "")