Build aria2 from git master

Dockerfile

@@ -1,3 +1,25 @@
+FROM alpine as builder
+
+RUN apk add --no-cache \
+        autoconf \
+        automake \
+        build-base \
+        c-ares-dev \
+        expat-dev \
+        gettext-dev \
+        git \
+        libtool \
+        openssl-dev \
+        pkgconf \
+        sqlite-dev
+
+RUN git clone --depth=1 https://github.com/aria2/aria2
+
+RUN cd aria2 \
+    && autoreconf -i \
+    && ./configure \
+    && make -j 4
+
 FROM node:11 as webui
 
 RUN git clone --depth=1 https://github.com/mayswind/AriaNg /AriaNg
@@ -20,6 +42,9 @@ RUN apk add --no-cache \
         nginx \
         su-exec
 
+RUN apk add --no-cache libintl
+COPY --from=builder /aria2/src/aria2c /usr/local/bin/
+
 COPY --from=sbruder/aria2_exporter /aria2_exporter /aria2_exporter
 
 COPY --from=webui /AriaNg/dist /srv/www/webui