Add docker compose setup (#73)

* Add docker compose setup

* Shorten healthcheck interval for faster startup

* Add .env file for docker setup. Take changes in composer/package-lock into account.

* Add readme entry

* JWT force command + readme minor changes

* Udpated readme

---------

Co-authored-by: Julien Nahum <julien@nahum.net>

php-cli.Dockerfile

@@ -0,0 +1,30 @@
+# syntax=docker/dockerfile:1.3-labs
+FROM php:8.1-cli
+
+COPY --from=mlocati/php-extension-installer /usr/bin/install-php-extensions /usr/bin/
+COPY --from=composer:2 /usr/bin/composer /usr/bin/composer
+
+RUN <<EOF
+install-php-extensions \
+    apcu \
+    bcmath \
+    bz2 \
+    calendar \
+    ffi \
+    gd \
+    gmp \
+    imagick \
+    intl \
+    mysqli \
+    pcntl \
+    pcov \
+    pdo_mysql \
+    pdo_pgsql \
+    redis \
+    soap \
+    sockets \
+    sodium \
+    xsl \
+    zip \
+    exif
+EOF