Add Docker image support for Synology NAS with linux/amd64 platform

.dockerignore

@@ -1 +1,9 @@
 downloads/
+download/
+.git/
+.github/
+.forgejo/
+.idea/
+.DS_Store
+*.md
+media-roller

Dockerfile

@@ -1,5 +1,8 @@
-FROM golang:1.25.3-alpine3.22 AS builder
+# syntax=docker/dockerfile:1
+FROM --platform=$BUILDPLATFORM golang:1.25.3-alpine3.22 AS builder
 
+ARG TARGETOS
+ARG TARGETARCH
 RUN apk add --no-cache curl
 
 WORKDIR /app
@@ -10,10 +13,16 @@ COPY go.mod go.mod
 COPY go.sum go.sum
 
 RUN go mod download
-RUN go build -x -o media-roller ./src
+RUN GOOS=$TARGETOS GOARCH=$TARGETARCH go build -x -o media-roller ./src
 
 # yt-dlp needs python
-FROM python:3.13.7-alpine3.22
+FROM --platform=$TARGETPLATFORM python:3.13.7-alpine3.22
+
+ARG TARGETARCH
+
+LABEL org.opencontainers.image.source="https://git.khoavo.myds.me/vndangkhoa/kv-download"
+LABEL org.opencontainers.image.description="Media Roller - Mobile friendly video downloader"
+LABEL org.opencontainers.image.licenses="MIT"
 
 # This is where the downloaded files will be saved in the container.
 ENV MR_DOWNLOAD_DIR="/download"
@@ -47,4 +56,7 @@ RUN yt-dlp --version && \
 
 EXPOSE 9292
 
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+    CMD curl -f http://localhost:9292/ || exit 1
+
 ENTRYPOINT ["/app/media-roller"]

docker-compose.yml

@@ -0,0 +1,28 @@
+services:
+  kv-download:
+    image: git.khoavo.myds.me/vndangkhoa/kv-download:latest
+    container_name: kv-download
+    restart: unless-stopped
+    ports:
+      - "9292:9292"
+    volumes:
+      - ./downloads:/download
+    environment:
+      - MR_DOWNLOAD_DIR=/download
+      - TZ=Asia/Ho_Chi_Minh
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:9292/"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 5s
+    deploy:
+      resources:
+        limits:
+          memory: 1G
+          cpus: "1.0"
+    logging:
+      driver: json-file
+      options:
+        max-size: "10m"
+        max-file: "3"