Giphybot is written in Rust, so you'll probably want to use rustup to install the rust toolchain if you don't already have it set up. Alternatively, you can use a pre-built binary.
Create a configuration toml file with the app's configuration. It should look like this:
[general]
port = "9999"
[giphy]
api_key = "GIPHY_API_KEY"
[braid]
name = "nameofthisbotonbraid"
api_url = "https://api.braid.chat/bots/message"
app_id = "BOT_BRAID_ID"
token = "BOT_BRAID_TOKEN"
There is a public giphy api key to use for testing: dc6zaTOxFJmzC
Specify the file as the first command-line argument, e.g.
$ giphybot conf.toml
You can run the bot for testing by doing cargo run conf.toml.
To deploy, build with cargo build --release then upload the generated binary from target/release/giphybot.
If building on a different architecture than you'll be deploying to, look into rustup cross-compilation.