From 48de6a3f5c02d88e9d6a2d8e8deccf285968d022 Mon Sep 17 00:00:00 2001
From: Mike English <mike.english@gmail.com>
Date: Thu, 7 Sep 2023 16:02:07 -0400
Subject: [PATCH] Fly.io (#49)

Adds support for deploying the `moq-quinn` relay server to fly.io
---
 .dockerignore |  3 +++
 Dockerfile    | 44 ++++++++++++++++++++++++++++++++++++++++++++
 entrypoint.sh |  8 ++++++++
 fly.toml      | 19 +++++++++++++++++++
 4 files changed, 74 insertions(+)
 create mode 100644 .dockerignore
 create mode 100644 Dockerfile
 create mode 100755 entrypoint.sh
 create mode 100644 fly.toml

diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..1611ea0
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,3 @@
+media/*.mp4
+target/*
+cert/*
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..733f7d6
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,44 @@
+FROM rust:latest as builder
+
+# Make a fake Rust app to keep a cached layer of compiled crates
+RUN USER=root cargo new app
+WORKDIR /usr/src/app
+COPY Cargo.toml Cargo.lock ./
+
+RUN mkdir -p moq-transport/src moq-quinn/src moq-warp/src moq-pub/src
+COPY moq-transport/Cargo.toml moq-transport/Cargo.toml
+COPY moq-quinn/Cargo.toml moq-quinn/Cargo.toml
+COPY moq-pub/Cargo.toml moq-pub/Cargo.toml
+COPY moq-warp/Cargo.toml moq-warp/Cargo.toml
+RUN touch moq-transport/src/lib.rs
+RUN touch moq-warp/src/lib.rs
+RUN touch moq-pub/src/lib.rs
+RUN touch moq-quinn/src/lib.rs
+
+RUN sed -i '/default-run.*/d' moq-quinn/Cargo.toml
+
+# Will build all dependent crates in release mode
+RUN --mount=type=cache,target=/usr/local/cargo/registry \
+    --mount=type=cache,target=/usr/src/app/target \
+    cargo build --release
+
+# Copy the rest
+COPY . .
+
+# Build (install) the actual binaries
+RUN cargo install --path moq-quinn
+
+# Runtime image
+FROM rust:latest
+
+# Run as "app" user
+RUN useradd -ms /bin/bash app
+
+USER app
+WORKDIR /app
+
+# Get compiled binaries from builder's cargo install directory
+COPY --from=builder /usr/local/cargo/bin/moq-quinn /app/moq-quinn
+
+ADD entrypoint.sh .
+# No CMD or ENTRYPOINT, see fly.toml with `cmd` override.
diff --git a/entrypoint.sh b/entrypoint.sh
new file mode 100755
index 0000000..6562f70
--- /dev/null
+++ b/entrypoint.sh
@@ -0,0 +1,8 @@
+#!/usr/bin/env sh
+
+mkdir cert
+# Nothing to see here...
+echo "$MOQ_CRT" | base64 -d > cert/moq-demo.crt
+echo "$MOQ_KEY" | base64 -d > cert/moq-demo.key
+
+RUST_LOG=info ./moq-quinn --cert cert/moq-demo.crt --key cert/moq-demo.key
diff --git a/fly.toml b/fly.toml
new file mode 100644
index 0000000..cf62599
--- /dev/null
+++ b/fly.toml
@@ -0,0 +1,19 @@
+app = "englishm-moq-relay"
+kill_signal = "SIGINT"
+kill_timeout = 5
+
+[env]
+  PORT = "4443"
+
+[experimental]
+  cmd = "./entrypoint.sh"
+
+[[services]]
+  internal_port = 4443
+  protocol = "udp"
+  [services.concurrency]
+    hard_limit = 25
+    soft_limit = 20
+
+  [[services.ports]]
+    port = "4443"