Add containerised build instructions

Cargo.lock

@@ -2063,8 +2063,9 @@ dependencies = [
 
 [[package]]
 name = "songbird"
-version = "0.3.1"
+version = "0.3.2"
-source = "git+https://github.com/Erk-/songbird?branch=do-not-fail-if-new-opcode#0618112a3353a47b2fcdb4eb327ede1a77a8cda2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32f686a0fd771939de1da3e43cee45169fafe1595770b94680572cf18bdef288"
 dependencies = [
  "async-trait",
  "async-tungstenite",

Cargo.toml

@@ -7,8 +7,7 @@ authors = ["jellywx <judesouthworth@pm.me>"]
 edition = "2018"
 
 [dependencies]
-songbird = { git = "https://github.com/Erk-/songbird", branch = "do-not-fail-if-new-opcode", features = ["builtin-queue"] }
+songbird = { version = "0.3", features = ["builtin-queue"] }
-# songbird = { version = "0.3", features = ["builtin-queue"] }
 poise = "0.3"
 sqlx = { version = "0.5", default-features = false, features = ["runtime-tokio-rustls", "macros", "mysql", "bigdecimal", "migrate"] }
 tokio = { version = "1", features = ["fs", "process", "io-util"] }

Containerfile

@@ -0,0 +1,9 @@
+FROM ubuntu:20.04
+
+ENV RUSTUP_HOME=/usr/local/rustup \
+    CARGO_HOME=/usr/local/cargo \
+    PATH=/usr/local/cargo/bin:$PATH
+
+RUN apt update && DEBIAN_FRONTEND=noninteractive TZ=Etc/UTC apt install -y gcc gcc-multilib cmake ffmpeg libopus-dev pkg-config libssl-dev curl mysql-client-8.0
+RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --no-modify-path --profile minimal
+RUN cargo install cargo-deb

README.md

@@ -23,6 +23,12 @@ Options:
 
 ## Building from source
 
+When running from source, the config options above can be configured simply as environment variables.
+
+Two options for building are offered. The first is easier.
+
+### Build for local platform
+
 1. Install build dependencies: `sudo apt install gcc gcc-multilib cmake ffmpeg libopus-dev pkg-config libssl-dev`
 2. Install database server: `sudo apt install mysql-server-8.0`. Create a database called `soundfx`
 3. Install Cargo and Rust from https://rustup.rs
@@ -30,4 +36,13 @@ Options:
 5. From the source code directory, execute `sqlx migrate run`
 6. Build with cargo: `cargo build --release`
 
-When running from source, the config options above can be configured simply as environment variables.
+### Build for other platform
+
+By default, this builds targeting Ubuntu 20.04. Modify the Containerfile if you wish to target a different platform. These instructions are written using `podman`, but `docker` should work too.
+
+1. Install container software: `sudo apt install podman`.
+2. Install database server: `sudo apt install mysql-server-8.0`. Create a database called `soundfx`
+3. Install SQLx CLI: `cargo install sqlx-cli`
+4. From the source code directory, execute `sqlx migrate run`
+5. Build container image: `podman build -t soundfx .`
+6. Build with podman: `podman run --rm --network=host -v "$PWD":/mnt -w /mnt -e "DATABASE_URL=mysql://user@localhost/soundfx" soundfx cargo deb`