add composer php in container

docker-compose.yml

@@ -1,10 +1,11 @@
-version: '2'
+version: '3.7'
 services:
   php-apache-environment:
     container_name: php-apache
     build:
       context: ./php
       dockerfile: Dockerfile
+    restart: always
     depends_on:
       - db
     volumes:

php/Dockerfile

@@ -1,17 +1,4 @@
 FROM php:8.1.22-apache
 RUN apt-get update && apt-get install -y libpq-dev && docker-php-ext-install pdo pdo_pgsql
 
-
-
-
-#FROM php:fpm-alpine
-#RUN apk update; \
-#    apk upgrade;
-#RUN apk add --n0-cache curl git build-base zlib-dev oniguruma-dev autoconf bash
-
-#COPY --from=composer:latest /usr/bin/composer /usr/bin/composer
-
-
-
-#RUN docker-php-ext-configure pgsql -with-pgsql=/usr/local/pgsql \
-#    && docker-php-ext-install pgsql pdo_pgsql
+RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/bin --filename=composer