Fixing docker build for DeepSpeed, introducing build for conda environment

docker/conda/build-conda-env.sh

@@ -0,0 +1,43 @@
+#!/usr/bin/env bash
+
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+cd $SCRIPT_DIR
+
+. ${SCRIPT_DIR=}/../variables.sh
+
+if [ -f $SCRIPT_DIR/build/environment-cu-${CUDA_VERSION}-cp-${PYTHON_VERSION}.yml ]; then
+   echo "Environment file already exists - skipping..."
+   exit 0
+fi
+
+# Parse arguments
+while [ "$#" -gt 0 ]; do
+  case "$1" in
+    --cuda-version)
+      CUDA_VERSION="$2"
+      shift
+      ;;
+    --python-version)
+      PYTHON_VERSION="$2"
+      shift
+      ;;
+    *)
+      # Allow to pass arbitrary arguments to docker as well to be flexible:
+      echo "Unknown argument '$1'"
+      exit 1
+      ;;
+  esac
+  shift
+done
+
+echo "Building conda environment using python ${PYTHON_VERSION} with CUDA ${CUDA_VERSION}"
+
+rm -rf build # make sure to properly clean up
+mkdir -p build
+
+docker buildx \
+  build \
+  --build-arg CUDA_VERSION=$CUDA_VERSION \
+  --build-arg PYTHON_VERSION=$PYTHON_VERSION \
+  --output=$SCRIPT_DIR/build \
+  .