go-web-app-develop/nginx-serve/apply-config.sh

#!/bin/bash -xe

SOURCE_DIRECTORY=${APPLY_CONFIG__SOURCE_DIRECTORY?Required}
DESTINATION_DIRECTORY=${APPLY_CONFIG__DESTINATION_DIRECTORY?Required}

# Parse arguments for --overwrite option
OVERWRITE_DESTINATION=${APPLY_CONFIG__OVERWRITE_DESTINATION:-false}
for arg in "$@"; do
  if [[ "$arg" == "--overwrite" ]]; then
    OVERWRITE_DESTINATION=true
  fi
done

if [ -d "$DESTINATION_DIRECTORY" ]; then
  if [ "$OVERWRITE_DESTINATION" == "true" ]; then
    echo "Destination directory <$DESTINATION_DIRECTORY> already exists. Force deleting..."
    rm -rf "$DESTINATION_DIRECTORY"
  else
    echo "Destination directory <$DESTINATION_DIRECTORY> already exists. Please delete and try again, or use --overwrite to force delete."
    exit 1
  fi
fi

mkdir -p $(dirname "$DESTINATION_DIRECTORY")
cp -r --no-target-directory "$SOURCE_DIRECTORY" "$DESTINATION_DIRECTORY"

find "$DESTINATION_DIRECTORY" -type f -exec sed -i "s|\<APP_TITLE_PLACEHOLDER\>|$APP_TITLE|g" {} +
find "$DESTINATION_DIRECTORY" -type f -exec sed -i "s|\<APP_ENVIRONMENT_PLACEHOLDER\>|$APP_ENVIRONMENT|g" {} +
find "$DESTINATION_DIRECTORY" -type f -exec sed -i "s|\<APP_MAPBOX_ACCESS_TOKEN_PLACEHOLDER\>|$APP_MAPBOX_ACCESS_TOKEN|g" {} +
find "$DESTINATION_DIRECTORY" -type f -exec sed -i "s|\<APP_TINY_API_KEY_PLACEHOLDER\>|$APP_TINY_API_KEY|g" {} +
# NOTE: We don't need a word boundary at end as we already have a trailing slash
find "$DESTINATION_DIRECTORY" -type f -exec sed -i "s|\<https://APP-API-ENDPOINT-PLACEHOLDER.COM/|$APP_API_ENDPOINT|g" {} +
# NOTE: We don't need a word boundary at end as we already have a trailing slash
find "$DESTINATION_DIRECTORY" -type f -exec sed -i "s|\<https://APP-RISK-API-ENDPOINT-PLACEHOLDER.COM/|$APP_RISK_API_ENDPOINT|g" {} +
find "$DESTINATION_DIRECTORY" -type f -exec sed -i "s|\<https://APP-SDT-URL-PLACEHOLDER.COM/|$APP_SDT_URL|g" {} +
find "$DESTINATION_DIRECTORY" -type f -exec sed -i "s|\<https://APP-SENTRY-DSN-PLACEHOLDER.COM\>|$APP_SENTRY_DSN|g" {} +

# Show diffs (Useful to debug issues)
set +xe
find "$SOURCE_DIRECTORY" -type f -printf '%P\n' | while IFS= read -r file; do
    diff -W 100 <(fold -w 100 "$SOURCE_DIRECTORY/$file") <(fold -w 100 "$DESTINATION_DIRECTORY/$file") --suppress-common-lines
done