Fix build errors

Author: codedmonkey

.babelrc

@@ -7,8 +7,5 @@
         "corejs": "3"
       }
     ]
-  ],
-  "plugins": [
-    "@babel/plugin-proposal-class-properties"
   ]
 }

Dockerfile

@@ -45,15 +45,15 @@ RUN groupdel dialout; \
 # Install persistent & runtime dependencies
 RUN set -eux; \
     apt-get update; \
-    apt-get install --no-install-recommends -y git netcat procps; \
+    apt-get install --no-install-recommends -y git netcat-traditional procps; \
     rm -rf /var/lib/apt/lists/*
 
 # Install media utilities
 RUN set -eux; \
     apt-get update; \
     apt-get install --no-install-recommends -y ffmpeg mplayer; \
     apt-get install -y python3-pip; \
-    pip install git+https://github.com/flutterfromscratch/audio-offset-finder.git; \
+    pip install git+https://github.com/flutterfromscratch/audio-offset-finder.git --break-system-packages; \
     rm -rf /var/lib/apt/lists/*
 
 # Install PHP extensions

docker/assets-entrypoint.sh

@@ -2,13 +2,8 @@
 
 set -e
 
-if [ "$1" = 'node' ] || [ "$1" = 'npm' ]; then
+if [ "$1" = 'npm' ]; then
   npm install
-
-  >&2 echo "Waiting for app to be ready..."
-  until nc -z ${FPM_HOST} ${FPM_PORT}; do
-    sleep 1
-  done
 fi
 
 exec docker-entrypoint.sh "$@"