Added docker-compose file

Dockerfile

@@ -1,3 +1,5 @@
+# syntax=docker/dockerfile:1
+
 FROM rust:alpine as builder
 COPY . .
 RUN apk add --no-cache file make musl-dev \

docker-compose.yml

@@ -0,0 +1,9 @@
+version: "3.9"
+services:
+  mangadex-home:
+    build: .
+    ports:
+      - "443:443"
+    volumes:
+      - ./cache:/cache
+      - ./settings.yaml:/settings.yaml