added redis setup in compose.yml and in the docs

backend/storage/src/redis/error.rs

@@ -6,7 +6,7 @@ pub type Result<T> = std::result::Result<T, RedisError>;
 pub enum RedisError {
     #[error("connection error")]
     ConnectionError(#[source] PoolError<redis::RedisError>),
-    #[error("cmd execution error")]
+    #[error("cmd execution error: '{0}'")]
     CmdError(#[source] redis::RedisError),
 }
 

compose.yml

@@ -20,7 +20,7 @@ services:
       - backend/.env.docker
       - backend/.env
     healthcheck:
-      test: [ "CMD-SHELL", "pg_isready -U arcadia" ]
+      test: ["CMD-SHELL", "pg_isready -U arcadia"]
       interval: 5s
       timeout: 5s
       retries: 5
@@ -40,6 +40,20 @@ services:
     depends_on:
       db:
         condition: service_healthy
+
+  redis:
+    image: redis
+    container_name: arcadia_redis
+    restart: always
+    ports:
+      - 6379:6379
+    volumes:
+      - redis_data:/data
+    env_file:
+      - backend/api/.env.docker
+      - backend/api/.env
+    command: redis-server --requirepass ${REDIS_PASSWORD}
+
   backend:
     container_name: arcadia_api
     volumes:
@@ -49,7 +63,7 @@ services:
       context: backend
       dockerfile: Dockerfile
     ports:
-      - '8080:8080'
+      - "8080:8080"
     env_file:
       - backend/api/.env.docker
       - backend/api/.env
@@ -68,7 +82,6 @@ services:
             - .env
             - .env.docker
 
-
   frontend:
     container_name: arcadia_frontend
     build:
@@ -89,5 +102,6 @@ services:
 
 volumes:
   db_data:
+  redis_data:
   cargo-registry:
   cargo-target:

docs/src/run-docker.md

@@ -27,9 +27,11 @@ Also don't forget to use `sudo` if you aren't in the `docker` group!
 
 2. **Start all services**:
    ```bash
-   docker compose up -d
+   docker compose up --env-file backend/api/.env -d
    ```
 
+   Note: the `--env-file` option is necessary as it will make the `REDIS_PASSWORD` environment variable available before the container is ran (and not only for the container itself, it is not the same as the compose attribute `env_file`).
+
    This command will:
    - Build the backend  and frontend images
    - Start PostgreSQL database
@@ -50,6 +52,11 @@ If you prefer to start services individually:
    docker compose up db -d
    ```
 
+### Redis Only
+   ```bash
+   docker compose up --env-file backend/api/.env redis -d
+   ```
+
 ### Backend Api Only
    ```bash
    docker compose up backend -d

docs/src/run-standard.md

@@ -7,6 +7,7 @@ This page explains how to install and run Arcadia directly on your system withou
 Before starting, ensure you have the following installed:
 
 - **PostgreSQL** - Database server
+- **Redis** - Cache for the auth
 - **Rust & Cargo** - Required to build the backend
 - **Node.js & npm** - Required to build the frontend
 - **Git** - To clone the repository
@@ -17,8 +18,9 @@ For development tool installation instructions, see the [Developer Setup](dev-se
 
 1. Clone the repository and navigate to it
 2. Set up PostgreSQL database
-3. Configure and run the backend
-4. Configure and run the frontend
+3. Set up Redis
+4. Configure and run the backend
+5. Configure and run the frontend
 
 ## Database Setup
 
@@ -83,6 +85,10 @@ cd backend/storage
 sqlx migrate run --database-url postgresql://arcadia:your_secure_password@localhost:5432/arcadia
 ```
 
+## Redis setup
+
+[Official docs](https://redis.io/docs/latest/operate/oss_and_stack/install/archive/install-redis/)
+
 ## Backend Setup
 
 ### 1. Environment Configuration