adding LANG LC_ALL PYTHONIOENCODING UTF-8 (#22928)

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

api/.env.example

 # Alternatively you can set it with `SECRET_KEY` environment variable.
 SECRET_KEY=
 
+# Ensure UTF-8 encoding
+LANG=en_US.UTF-8
+LC_ALL=en_US.UTF-8
+PYTHONIOENCODING=utf-8
+
 # Console API base URL
 CONSOLE_API_URL=http://localhost:5001
 CONSOLE_WEB_URL=http://localhost:3000

api/Dockerfile

 # set timezone
 ENV TZ=UTC
 
+# Set UTF-8 locale
+ENV LANG=en_US.UTF-8
+ENV LC_ALL=en_US.UTF-8
+ENV PYTHONIOENCODING=utf-8
+
 WORKDIR /app/api
 
 RUN \

api/docker/entrypoint.sh

 
 set -e
 
+# Set UTF-8 encoding to address potential encoding issues in containerized environments
+export LANG=${LANG:-en_US.UTF-8}
+export LC_ALL=${LC_ALL:-en_US.UTF-8}
+export PYTHONIOENCODING=${PYTHONIOENCODING:-utf-8}
+
 if [[ "${MIGRATION_ENABLED}" == "true" ]]; then
   echo "Running migrations"
   flask upgrade-db

docker/.env.example

 # Example: INTERNAL_FILES_URL=http://api:5001
 INTERNAL_FILES_URL=
 
+# Ensure UTF-8 encoding
+LANG=en_US.UTF-8
+LC_ALL=en_US.UTF-8
+PYTHONIOENCODING=utf-8
+
 # ------------------------------
 # Server Configuration
 # ------------------------------

docker/docker-compose.yaml

   APP_WEB_URL: ${APP_WEB_URL:-}
   FILES_URL: ${FILES_URL:-}
   INTERNAL_FILES_URL: ${INTERNAL_FILES_URL:-}
+  LANG: ${LANG:-en_US.UTF-8}
+  LC_ALL: ${LC_ALL:-en_US.UTF-8}
+  PYTHONIOENCODING: ${PYTHONIOENCODING:-utf-8}
   LOG_LEVEL: ${LOG_LEVEL:-INFO}
   LOG_FILE: ${LOG_FILE:-/app/logs/server.log}
   LOG_FILE_MAX_SIZE: ${LOG_FILE_MAX_SIZE:-20}