Merge pull request #408 from leondavi/docker

docker change

Author: leondavi

Dockerfile

@@ -5,17 +5,12 @@ RUN apt-get update && \
     cmake python3-pip iproute2 zip unzip \
     && rm -rf /var/lib/apt/lists/*
 
-# Install Erlang/OTP 28.0
-RUN git clone https://github.com/erlang/otp.git  && \
-    cd otp  && \
-    git fetch --all --tags  && \
-    git checkout tags/OTP-28.0 -b otp-28.0 && \
-    ./configure  && \
-    make -j2 && \
-    make install && \
-    cd - && \
-    rm -rf otp
-
+RUN wget https://packages.erlang-solutions.com/ubuntu/erlang_solutions.asc && \
+    sudo apt-key add erlang_solutions.asc && \
+    echo "deb https://packages.erlang-solutions.com/ubuntu focal contrib" | sudo tee /etc/apt/sources.list.d/erlang-solutions.list && \
+    apt-get update && \
+    sudo apt install -y esl-erlang
+    
 ENV RUNNING_IN_DOCKER=true \
     PIP_BREAK_SYSTEM_PACKAGES=1
 WORKDIR /nerlnet