diff --git a/.docker/config/Dockerfile b/.docker/config/Dockerfile
new file mode 100644
index 0000000..cb2d05c
--- /dev/null
+++ b/.docker/config/Dockerfile
@@ -0,0 +1,64 @@
+FROM php:5.6-cli
+
+#
+# Tools & libraries
+#
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
+        vim \
+        git \
+        zip \
+        unzip \
+        zlib1g-dev \
+        libicu-dev \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+
+#
+# PHP extensions
+#
+RUN docker-php-ext-install \
+    zip \
+    intl \
+    mbstring
+
+#
+# PHP configuration:
+# - default configuration
+# - timezone
+#
+COPY php.ini /usr/local/etc/php/php.ini
+ARG TIMEZONE
+RUN echo "\n""date.timezone = $TIMEZONE""\n" >> /usr/local/etc/php/php.ini
+
+#
+# Xdebug
+#
+RUN pecl install xdebug \
+    && docker-php-ext-enable xdebug
+COPY xdebug.ini /usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini
+
+#
+# Phing
+#
+RUN pear channel-discover pear.phing.info \
+    && pear install [--alldeps] phing/phing
+
+#
+# Composer + https://packagist.org/packages/hirak/prestissimo package
+#
+RUN php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" \
+    && php -r "if (hash_file('SHA384', 'composer-setup.php') === \
+    '544e09ee996cdf60ece3804abc52599c22b1f40f4323403c44d44fdfdd586475ca9813a858088ffbc1f233e9b180f061') { echo \
+    'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;" \
+    && php composer-setup.php --install-dir=/usr/local/bin --filename=composer \
+    && php -r "unlink('composer-setup.php');" \
+    && composer global require --no-plugins --no-scripts hirak/prestissimo \
+    && rm -rf /root/.composer/cache/*
+
+#
+# Bash
+#
+RUN sed -i 's/^# export/export/g' /root/.bashrc \
+    && sed -i 's/^# alias/alias/g' /root/.bashrc \
+    && echo "\n"'export PATH=/project/vendor/bin:$PATH'"\n" >> /root/.bashrc
diff --git a/.docker/config/php.ini b/.docker/config/php.ini
new file mode 100644
index 0000000..b984c5d
--- /dev/null
+++ b/.docker/config/php.ini
@@ -0,0 +1,3 @@
+display_errors = On
+display_startup_errors = On
+error_reporting = E_ALL
diff --git a/.docker/config/xdebug.ini b/.docker/config/xdebug.ini
new file mode 100644
index 0000000..acd3d8c
--- /dev/null
+++ b/.docker/config/xdebug.ini
@@ -0,0 +1,7 @@
+[xdebug]
+zend_extension='xdebug.so'
+
+xdebug.remote_enable=1
+xdebug.remote_connect_back=1
+xdebug.idekey='PHPSTORM'
+xdebug.remote_port=9001
diff --git a/.env b/.env
new file mode 100644
index 0000000..c6eb126
--- /dev/null
+++ b/.env
@@ -0,0 +1 @@
+TIMEZONE=Europe/Warsaw
diff --git a/composer.json b/composer.json
index 7a6a5da..cbe3b91 100644
--- a/composer.json
+++ b/composer.json
@@ -11,6 +11,7 @@
         }
     ],
     "require": {
+        "php": ">=5.6",
         "fguillot/json-rpc": "^1.2",
         "meritoo/common-library": "~0.0.1"
     },
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..050add2
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,15 @@
+version: '3'
+
+services:
+    php-cli:
+        image: meritoo/limesurvey-api-client
+        container_name: meritoo-limesurvey-api-client
+        working_dir: /project
+        entrypoint: php
+        command: -S 0.0.0.0:9999
+        build:
+            context: ./.docker/config
+            args:
+                - TIMEZONE=$TIMEZONE
+        volumes:
+            - .:/project