Update Dockerfile

Dockerfile

@@ -1,6 +1,7 @@
 FROM alpine
 
 WORKDIR /code
+
 RUN apk upgrade --no-cache \
  && apk add --no-cache -t build-dependencies \
     build-base \
@@ -13,16 +14,18 @@ RUN apk upgrade --no-cache \
     tar \
     git \
     docker \
+    docker-compose \
     curl \
     openssl
 
-RUN mkdir searxng-docker
+RUN git clone https://github.com/searxng/searxng-docker
+
 WORKDIR /code/searxng-docker
-RUN git clone https://github.com/searxng/searxng-docker .
 
-RUN curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m)" -o docker-compose && chmod +x docker-compose
+RUN curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose && chmod +x /usr/local/bin/docker-compose
 
 RUN sed -i "s|ultrasecretkey|$(openssl rand -hex 32)|g" /code/searxng-docker/searxng/settings.yml
 
 EXPOSE 80
-CMD ["docker-compose", "up", "-d", "-f", "docker-compose.yml"]
+
+CMD ["docker", "run", "-d", "--rm", "-p", "8080:8080", "searxng/searxng"]