Refactor .env file creation in docker entrypoint

Moved .env file creation logic to execute earlier in the script for better clarity and structure. Ensures .env is generated before running subsequent commands, improving maintainability.

docker-entrypoint.sh

@@ -1,5 +1,10 @@
 #!/bin/sh
 set -e
+# Create .env file if it doesn't exist
+if [ ! -f .env ]; then
+    echo "Creating .env file from environment variables..."
+    envsubst < .env.dist > .env
+fi
 if [ "$1" != 'php' ] && [ "$1" != 'sh' ]; then
     # Install dependencies if not already installed
     if [ ! -d 'vendor/' ]; then
@@ -7,11 +12,6 @@ if [ "$1" != 'php' ] && [ "$1" != 'sh' ]; then
         composer install --prefer-dist --no-progress --no-interaction
     fi
 
-    # Create .env file if it doesn't exist
-    if [ ! -f .env ]; then
-        echo "Creating .env file from environment variables..."
-        envsubst < .env.dist > .env
-    fi
 
     # Check and wait for the database to be ready
     if grep -q ^DB_HOST= .env; then