### Get a Single Channel Connection

Source: https://hexdocs.pm/conn_grpc/0.3.1/overview.html

Retrieve the single persistent channel connection using `get/0` from a module defined with `ConnGRPC.Channel`.

```elixir
{:ok, channel} = DemoChannel.get()
```

--------------------------------

### Get a Channel from the Pool

Source: https://hexdocs.pm/conn_grpc/0.3.1/overview.html

Retrieve a channel connection from a `ConnGRPC.Pool` using `get_channel/0`. Channels are distributed using round-robin.

```elixir
{:ok, channel} = DemoPool.get_channel()
```

--------------------------------

### Define a Channel Pool Module

Source: https://hexdocs.pm/conn_grpc/0.3.1/overview.html

Define a module using `ConnGRPC.Pool` to manage a pool of persistent gRPC channels. Configure the pool size and channel connection details.

```elixir
defmodule DemoPool do
  use ConnGRPC.Pool,
    pool_size: 5,
    channel: [address: "localhost:50051", opts: []]
end
```

--------------------------------

### Define a Single Channel Module

Source: https://hexdocs.pm/conn_grpc/0.3.1/overview.html

Define a module using `ConnGRPC.Channel` for a single persistent gRPC channel. Specify the address and any connection options.

```elixir
defmodule DemoChannel do
  use ConnGRPC.Channel, address: "localhost:50051", opts: []
end
```

--------------------------------

### Add ConnGRPC to Dependencies

Source: https://hexdocs.pm/conn_grpc/0.3.1/overview.html

Add ConnGRPC and gRPC Elixir to your project's dependencies in `mix.exs`. Ensure you are using compatible versions.

```elixir
def deps do
  [
    {:conn_grpc, "~> 0.1"},

    # You also need to have gRPC Elixir installed
    {:grpc, "~> 0.5"}
  ]
end
```

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