Ensure that production php.ini is used in the final image

Dockerfile

@@ -1,7 +1,15 @@
-FROM docker.io/php:7.4-fpm
+FROM docker.io/php:7.4-fpm AS base
 
 COPY ./public /opt/index/public
 
 WORKDIR /opt/index/public
 
 CMD ["php-fpm"]
+
+FROM base AS dev
+
+RUN cp "$PHP_INI_DIR/php.ini-development" "$PHP_INI_DIR/php.ini"
+
+FROM base
+
+RUN cp "$PHP_INI_DIR/php.ini-production" "$PHP_INI_DIR/php.ini"

Makefile

@@ -1,2 +1,2 @@
 serve:
-	docker-compose -f docker-compose.yml -f docker-compose.dev.yml up
+	docker-compose -f docker-compose.yml -f docker-compose.dev.yml up --build

docker-compose.dev.yml

@@ -4,7 +4,9 @@ networks:
 
 services:
   app:
-    build: .
+    build:
+      context: .
+      target: dev
     volumes:
       - ./public:/opt/index/public
     networks: