Update building of the Docker container

.env

@@ -1,3 +1,4 @@
+COMPOSE_PROJECT_NAME=tramaint
 COMPOSE_FILE=docker/docker-compose.yml
 
 TRANS_MAINTAIN_INSERT_MISSED_KEYS=no

bin/ci/composer_installer

@@ -0,0 +1,23 @@
+#!/bin/sh
+
+EXPECTED_CHECKSUM="$(curl -sS https://composer.github.io/installer.sig)"
+
+php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
+ACTUAL_CHECKSUM="$(php -r "echo hash_file('sha384', 'composer-setup.php');")"
+
+if [ "$EXPECTED_CHECKSUM" != "$ACTUAL_CHECKSUM" ]
+then
+    >&2 echo 'ERROR: Invalid installer checksum'
+    rm composer-setup.php
+    exit 1
+fi
+
+php composer-setup.php --quiet
+RESULT=$?
+
+chmod +x composer.phar
+rm composer-setup.php
+[ ! -d "/path/to/dir" ] && mkdir -p /usr/local/bin
+mv composer.phar /usr/local/bin/composer
+
+exit $RESULT

docker/docker-compose.yml

@@ -1,14 +1,16 @@
 version: '3.1'
 
 services:
-  tramaint-php:
+  php:
     build:
       context: ..
       dockerfile: docker/.Dockerfile
       args:
+        PHP_IMAGE: ${PHP_IMAGE:-php:7.4-cli}
         PHP_XDEBUG_PORT: ${PHP_XDEBUG_PORT:-9003}
+        PHP_XDEBUG_VERSION: ${PHP_XDEBUG_VERSION:-3.1.5}
     restart: on-failure
     ports:
-      - 9003:9003
+      - "9003:9003"
     volumes:
       - ../:/srv/app