change port to match old piston, some formatting change, add env to fix debian warning/error

api/Dockerfile

@@ -1,20 +1,24 @@
 FROM node:15.8.0-buster-slim
+
 RUN dpkg-reconfigure -p critical dash
 RUN for i in $(seq 1001 1500); do \
         groupadd -g $i runner$i && \
         useradd -M runner$i -g $i -u $i ; \
     done
 RUN apt-get update && \
-    apt-get install -y libxml2 gnupg tar coreutils util-linux libc6-dev binutils build-essential locales libpcre3-dev libevent-dev libgmp3-dev libncurses6 libncurses5 libedit-dev && \
+    apt-get install -y libxml2 gnupg tar coreutils util-linux libc6-dev \
+    binutils build-essential locales libpcre3-dev libevent-dev libgmp3-dev \
+    libncurses6 libncurses5 libedit-dev && \
     rm -rf /var/lib/apt/lists/*
 
 RUN sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && locale-gen
 
 ENV NODE_ENV=production
+ENV DEBIAN_FRONTEND noninteractive
 WORKDIR /piston_api
 COPY ["package.json", "yarn.lock", "./"]
 RUN yarn
 COPY ./src ./src
 
 CMD [ "node", "src", "-m", "-c", "/piston/config.yaml"]
-EXPOSE 6969/tcp
+EXPOSE 2000/tcp

api/src/config.js

@@ -45,7 +45,7 @@ const options = [
     {
         key: 'bind_address',
         desc: 'Address to bind REST API on\nThank @Bones for the number',
-        default: '0.0.0.0:6969',
+        default: '0.0.0.0:2000',
         validators: []
     },
     {