Use apt repository mirror

Author: EinKrebs

Dockerfile

@@ -4,7 +4,10 @@ WORKDIR /root
 
 ENV DEBIAN_FRONTEND=noninteractive
 
-RUN apt update -qq && apt install -y \
+RUN apt update && apt install -y ca-certificates
+RUN sed -i 's/archive.ubuntu.com/mirror.yandex.ru/g' /etc/apt/sources.list
+
+RUN apt update -qq -o Acquire::AllowInsecureRepositories=true && apt install -y --no-install-recommends --allow-unauthenticated \
     openjdk-8-jdk maven postgresql-client && \
     apt remove -y openjdk-11-jre-headless