Update Dockerfile

scripts/Dockerfile

@@ -9,10 +9,10 @@ RUN apk add git g++ build-base linux-headers cmake && \
     cmake . && \
     make -j4 && \
     mv subconverter base/ && \
-	mv base ../ && \
-	cd .. && \
-	rm -rf subconverter && \
-    apk add curl yaml-cpp libevent libpcrecpp && \
+    mv base ../ && \
+    cd .. && \
+    rm -rf subconverter && \
+    apk add libcurl yaml-cpp libevent libpcrecpp && \
     apk del git gcc g++ build-base linux-headers cmake libressl-dev curl-dev rapidjson-dev libevent-dev pcre-dev yaml-cpp-dev
 
 # set entry