Environmental testing (#19)

Dockerfile

@@ -23,9 +23,6 @@ COPY --from=build /wheels-base/  /wheels/
 RUN pip install --no-cache-dir --no-index --find-links=/wheels/ /wheels/* \
     && rm -rf /wheels/
 
-WORKDIR /app
-COPY . .
+COPY entrypoint.sh /entrypoint.sh
 
-ENV PYTHONPATH "${PYTHONPATH}:/app"
-
-ENTRYPOINT ["python", "main.py"]
+ENTRYPOINT ["/entrypoint.sh"]

entrypoint.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+
+# Exit immediately if a command exits with a non-zero status
+set -o errexit
+# Ensure that ERR traps are inherited by functions, command substitutions, and subshell environments
+set -o errtrace
+# Treat unset variables as an error when substituting
+set -o nounset
+# Consider a pipeline to fail if any of the commands fail
+set -o pipefail
+# Print shell input lines as they are read
+#set -o verbose
+# Print commands and their arguments as they are executed
+#set -o xtrace
+
+echo "****** Current Directory ******"
+pwd
+
+echo "****** Listing files ******"
+ls -la
+
+echo "****** Environment Variables ******"
+env