Add fly auto deploy

Author: Erisa

.github/workflows/fly-deploy.yml

@@ -0,0 +1,12 @@
+name: Fly Deploy
+on: [push]
+env:
+  FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }}
+jobs:
+  deploy:
+      name: Deploy app
+      runs-on: ubuntu-latest
+      steps:
+        - uses: actions/checkout@v2
+        - uses: superfly/flyctl-actions/setup-flyctl@master
+        - run: flyctl deploy --remote-only

Dockerfile

@@ -1,8 +1,8 @@
-FROM python:3.9-slim as py
+FROM python:3.9-alpine as py
 
 FROM py as build
 
-RUN apt update && apt install -y g++
+RUN apk add --no-cache build-base
 COPY requirements.txt /
 RUN pip install --prefix=/inst -U -r /requirements.txt
 

fly.toml

@@ -0,0 +1,14 @@
+# fly.toml file generated for msc-modmail on 2022-08-26T00:51:48+01:00
+
+app = "msc-modmail"
+kill_signal = "SIGINT"
+kill_timeout = 5
+
+[env]
+
+[experimental]
+  allowed_public_ports = []
+  auto_rollback = true
+  cmd = []
+  entrypoint = []
+  exec = []