Update Dockerfile

Dockerfile

@@ -9,9 +9,6 @@ RUN apk upgrade --no-cache \
     libxml2-dev \
     openssl-dev \
     tar \
-    git
-RUN git clone https://github.com/searx/searx-docker .
-RUN ./start.sh
-RUN cp searx-docker.service.template searx-docker.service
-RUN systemctl enable $(pwd)/searx-docker.service
-RUN systemctl start searx-docker.service
+    git \
+    docker
+RUN git clone https://github.com/searx/searx-docker