refs #24469 [finc] composer docker addendum: make composer version configurable

* also refs 23937

.env.local

+# Dependencies for grunt task (scss => css)
 GRUNT_SASS=^3.1.0
 JIT_GRUNT=^0.10.0
 NODE_SASS=^7.0.1
-PHPVERSION=php7_2
\ No newline at end of file
+
+# Dependencies for composer task (loads files for vendor)
+COMPOSER_VERSION=composer2
+
+# Version for php in PHP container
+PHP_VERSION=php7_2
\ No newline at end of file

devops/docker/composer1/Dockerfile

+# Copyright (C) 2020  Leipzig University Library
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# @author  Sebastian Kehr <kehr@ub.uni-leipzig.de>
+# @license https://opensource.org/licenses/GPL-3.0 GNU GPLv3
+
+FROM composer:1.9.3
+RUN apk add --no-cache freetype-dev libxml2-dev icu-dev \
+    && docker-php-ext-install gd \
+    && docker-php-ext-install soap \
+    && docker-php-ext-install intl
\ No newline at end of file

devops/docker/composer1/entrypoint.sh

+#!/usr/bin/env sh
+# Copyright (C) 2020  Leipzig University Library
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# @author  Sebastian Kehr <kehr@ub.uni-leipzig.de>
+# @license https://opensource.org/licenses/GPL-3.0 GNU GPLv3
+
+if [ "$(whoami)" = "php" ]; then
+  mkdir -p "$COMPOSER_HOME"
+  exec /docker-entrypoint.sh "$@"
+  exit
+fi
+
+until ! (ping -c1 env >/dev/null 2>&1) && [ -f ./data/docker/env/composer ]; do :; done
+set -a; . ./data/docker/env/composer; set +a
+
+: "${UIDGID:=$(stat -c '%u' .):$(stat -c '%g' .)}"
+echo "php:x:$UIDGID:php:$(pwd):/bin/sh" >> /etc/passwd
+chown "$UIDGID" "$(command -v composer)"
+su -p -c "exec $0 $*" php
\ No newline at end of file

docker-compose.yml

@@ -9,7 +9,7 @@ services:
     entrypoint: ["devops/docker/env/entrypoint.sh"]
 
   composer:
-    build: devops/docker/composer
+    build: devops/docker/${COMPOSER_VERSION:-composer1}
     working_dir: /usr/local/vufind
     volumes:
       - .:/usr/local/vufind:rw
@@ -17,18 +17,18 @@ services:
       - $HOME/.ssh/known_hosts:/etc/ssh/ssh_known_hosts
     depends_on:
       - env
-    entrypoint: ["devops/docker/composer/entrypoint.sh"]
+    entrypoint: devops/docker/${COMPOSER_VERSION:-composer1}/entrypoint.sh
     command: ["install"]
 
   php:
-    build: devops/docker/${PHPVERSION:-php7_2}
+    build: devops/docker/${PHP_VERSION:-php7_2}
     working_dir: /usr/local/vufind
     volumes:
       - ./:/usr/local/vufind
     depends_on:
       - env
       - db
-    entrypoint: devops/docker/${PHPVERSION:-php7_2}/entrypoint.sh
+    entrypoint: devops/docker/${PHP_VERSION:-php7_2}/entrypoint.sh
     command: ["php-fpm"]
 
   httpd: