Resolve "Update composer and yarn dependencies"

Closes #55 (closed)

build_dev.sh

 #!/usr/bin/env bash
 
-if [ -f .env.local ]; then
-    sed -i "s/^APP_ENV=prod$/APP_ENV=dev/g" .env.local
+CURRENT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"
+
+if [[ -f "${CURRENT_DIR}/.env.local" ]]; then
+  sed -i "s|^APP_ENV=prod$|APP_ENV=dev|g" "${CURRENT_DIR}/.env.local"
 fi
 
 composer install
 
 yarn install
+
 yarn encore dev --watch