feat: Add a Dockerfile, build a Docker image of the Alist application, support optional installation of FFMPEG and Aria2, configure relevant dependencies and environment variables.

Dockerfile

@@ -0,0 +1,44 @@
+FROM alpine:edge as builder
+LABEL stage=go-builder
+WORKDIR /app/
+RUN apk add --no-cache bash curl gcc git go musl-dev
+RUN git clone https://github.com/AlistGo/alist.git .
+COPY go.mod go.sum ./
+RUN go mod download
+COPY ./ ./
+RUN bash build.sh release docker
+
+FROM alpine:edge
+
+ARG INSTALL_FFMPEG=false
+ARG INSTALL_ARIA2=false
+LABEL MAINTAINER="i@nn.ci"
+
+WORKDIR /opt/alist/
+
+RUN apk update && \
+    apk upgrade --no-cache && \
+    apk add --no-cache bash ca-certificates su-exec tzdata; \
+    [ "$INSTALL_FFMPEG" = "true" ] && apk add --no-cache ffmpeg; \
+    [ "$INSTALL_ARIA2" = "true" ] && apk add --no-cache curl aria2 && \
+        mkdir -p /opt/aria2/.aria2 && \
+        wget https://github.com/P3TERX/aria2.conf/archive/refs/heads/master.tar.gz -O /tmp/aria-conf.tar.gz && \
+        tar -zxvf /tmp/aria-conf.tar.gz -C /opt/aria2/.aria2 --strip-components=1 && rm -f /tmp/aria-conf.tar.gz && \
+        sed -i 's|rpc-secret|#rpc-secret|g' /opt/aria2/.aria2/aria2.conf && \
+        sed -i 's|/root/.aria2|/opt/aria2/.aria2|g' /opt/aria2/.aria2/aria2.conf && \
+        sed -i 's|/root/.aria2|/opt/aria2/.aria2|g' /opt/aria2/.aria2/script.conf && \
+        sed -i 's|/root|/opt/aria2|g' /opt/aria2/.aria2/aria2.conf && \
+        sed -i 's|/root|/opt/aria2|g' /opt/aria2/.aria2/script.conf && \
+        touch /opt/aria2/.aria2/aria2.session && \
+        /opt/aria2/.aria2/tracker.sh ; \
+    rm -rf /var/cache/apk/*
+
+COPY --from=builder /app/bin/alist ./
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /opt/alist/alist && \
+    chmod +x /entrypoint.sh && /entrypoint.sh version
+
+ENV PUID=0 PGID=0 UMASK=022 RUN_ARIA2=${INSTALL_ARIA2}
+VOLUME /opt/alist/data/
+EXPOSE 5244 5245
+CMD [ "/entrypoint.sh" ]