Update Dockerfile

Dockerfile

@@ -1,4 +1,5 @@
 FROM alpine
+
 RUN apk upgrade --no-cache \
  && apk add --no-cache -t build-dependencies \
     build-base \
@@ -11,4 +12,22 @@ RUN apk upgrade --no-cache \
     tar \
     git \
     docker
-RUN git clone https://github.com/searx/searx-docker
+
+RUN git clone https://github.com/searxng/searxng-docker
+
+WORKDIR /usr/local/searxng-docker
+
+ENV COMPOSE_VERSION=1.29.2
+
+RUN curl -L "https://github.com/docker/compose/releases/download/${COMPOSE_VERSION}/docker-compose-$(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" searxng/settings.yml
+
+COPY.env.
+
+RUN docker-compose up -d
+
+EXPOSE 80
+
+CMD ["docker-compose", "up", "-d"]