diff --git a/docker/dev/mtt-php70-apache/Dockerfile b/docker/dev/mtt-php70-apache/Dockerfile
new file mode 100644
index 0000000..eabcf3e
--- /dev/null
+++ b/docker/dev/mtt-php70-apache/Dockerfile
@@ -0,0 +1,5 @@
+
+FROM php:7.0-apache
+
+RUN docker-php-ext-install mysqli && \
+  mv "$PHP_INI_DIR/php.ini-production" "$PHP_INI_DIR/php.ini"
diff --git a/docker/dev/mtt-php70-apache/compose.yml b/docker/dev/mtt-php70-apache/compose.yml
new file mode 100644
index 0000000..8b454df
--- /dev/null
+++ b/docker/dev/mtt-php70-apache/compose.yml
@@ -0,0 +1,11 @@
+services:
+  web:
+    build: ./
+    image: mytinytodo-dev:php7.0-apache
+    container_name: mtt-dev-php70-apache
+    ports:
+    - "8080:80"
+    volumes:
+    - ../../../src:/var/www/html
+    - ./php-mtt.ini:/usr/local/etc/php/conf.d/php-mtt.ini
+    - ./php-opcache.ini:/usr/local/etc/php/conf.d/php-opcache.ini
diff --git a/docker/dev/mtt-php70-apache/php-mtt.ini b/docker/dev/mtt-php70-apache/php-mtt.ini
new file mode 100644
index 0000000..34d3284
--- /dev/null
+++ b/docker/dev/mtt-php70-apache/php-mtt.ini
@@ -0,0 +1,7 @@
+
+; Since PHP 5.4 E_STRICT is included in E_ALL
+error_reporting = E_ALL
+
+log_errors = On
+display_errors = On
+display_startup_errors = On
diff --git a/docker/dev/mtt-php70-apache/php-opcache.ini b/docker/dev/mtt-php70-apache/php-opcache.ini
new file mode 100644
index 0000000..9e1abaa
--- /dev/null
+++ b/docker/dev/mtt-php70-apache/php-opcache.ini
@@ -0,0 +1,34 @@
+;; opcache.ini
+
+;; check /usr/local/etc/php/conf.d if exists docker-php-ext-opcache.ini
+
+; To disable opcache just comment this line
+zend_extension=opcache.so
+
+[opcache]
+opcache.enable=0
+opcache.enable_cli=0
+
+; The size of the shared memory storage used by OPcache, in megabytes. The minimum permissible value is "8", which is enforced if a smaller value is set.
+; Default is 128.
+opcache.memory_consumption=128
+
+; The maximum number of keys (and therefore scripts) in the OPcache hash table.
+; The actual value used will be the first number in the set of prime numbers
+;  { 223, 463, 983, 1979, 3907, 7963, 16229, 32531, 65407, 130987, 262237, 524521, 1048793 }
+;  that is greater than or equal to the configured value.
+; The minimum value is 200. The maximum value is 1000000. Values outside of this range are clamped to the permissible range.
+; Default is 10000.
+opcache.max_accelerated_files=1000
+
+; How often to check script timestamps for updates, in seconds. 0 will result in OPcache checking for updates on every request.
+; This configuration directive is ignored if opcache.validate_timestamps is disabled.
+; Default is 2.
+opcache.revalidate_freq=2
+
+; If enabled, OPcache will check for updated scripts every opcache.revalidate_freq seconds.
+; When this directive is disabled, you must reset OPcache manually via opcache_reset(), opcache_invalidate()
+;  or by restarting the Web server for changes to the filesystem to take effect.
+; Default is 1.
+;; Override in docker-compose
+opcache.validate_timestamps=1
diff --git a/docker/dev/mtt-php72-apache/Dockerfile b/docker/dev/mtt-php72-apache/Dockerfile
new file mode 100644
index 0000000..839909c
--- /dev/null
+++ b/docker/dev/mtt-php72-apache/Dockerfile
@@ -0,0 +1,5 @@
+
+FROM php:7.2-apache
+
+RUN docker-php-ext-install mysqli && \
+  mv "$PHP_INI_DIR/php.ini-production" "$PHP_INI_DIR/php.ini"
diff --git a/docker/dev/mtt-php72-apache/compose.yml b/docker/dev/mtt-php72-apache/compose.yml
new file mode 100644
index 0000000..3291170
--- /dev/null
+++ b/docker/dev/mtt-php72-apache/compose.yml
@@ -0,0 +1,11 @@
+services:
+  web:
+    build: ./
+    image: mytinytodo-dev:php7.2-apache
+    container_name: mtt-dev-php72-apache
+    ports:
+    - "8080:80"
+    volumes:
+    - ../../../src:/var/www/html
+    - ./php-mtt.ini:/usr/local/etc/php/conf.d/php-mtt.ini
+    - ./php-opcache.ini:/usr/local/etc/php/conf.d/php-opcache.ini
diff --git a/docker/dev/mtt-php72-apache/php-mtt.ini b/docker/dev/mtt-php72-apache/php-mtt.ini
new file mode 100644
index 0000000..34d3284
--- /dev/null
+++ b/docker/dev/mtt-php72-apache/php-mtt.ini
@@ -0,0 +1,7 @@
+
+; Since PHP 5.4 E_STRICT is included in E_ALL
+error_reporting = E_ALL
+
+log_errors = On
+display_errors = On
+display_startup_errors = On
diff --git a/docker/dev/mtt-php72-apache/php-opcache.ini b/docker/dev/mtt-php72-apache/php-opcache.ini
new file mode 100644
index 0000000..9e1abaa
--- /dev/null
+++ b/docker/dev/mtt-php72-apache/php-opcache.ini
@@ -0,0 +1,34 @@
+;; opcache.ini
+
+;; check /usr/local/etc/php/conf.d if exists docker-php-ext-opcache.ini
+
+; To disable opcache just comment this line
+zend_extension=opcache.so
+
+[opcache]
+opcache.enable=0
+opcache.enable_cli=0
+
+; The size of the shared memory storage used by OPcache, in megabytes. The minimum permissible value is "8", which is enforced if a smaller value is set.
+; Default is 128.
+opcache.memory_consumption=128
+
+; The maximum number of keys (and therefore scripts) in the OPcache hash table.
+; The actual value used will be the first number in the set of prime numbers
+;  { 223, 463, 983, 1979, 3907, 7963, 16229, 32531, 65407, 130987, 262237, 524521, 1048793 }
+;  that is greater than or equal to the configured value.
+; The minimum value is 200. The maximum value is 1000000. Values outside of this range are clamped to the permissible range.
+; Default is 10000.
+opcache.max_accelerated_files=1000
+
+; How often to check script timestamps for updates, in seconds. 0 will result in OPcache checking for updates on every request.
+; This configuration directive is ignored if opcache.validate_timestamps is disabled.
+; Default is 2.
+opcache.revalidate_freq=2
+
+; If enabled, OPcache will check for updated scripts every opcache.revalidate_freq seconds.
+; When this directive is disabled, you must reset OPcache manually via opcache_reset(), opcache_invalidate()
+;  or by restarting the Web server for changes to the filesystem to take effect.
+; Default is 1.
+;; Override in docker-compose
+opcache.validate_timestamps=1
diff --git a/docker/dev/mtt-php74-apache/Dockerfile b/docker/dev/mtt-php74-apache/Dockerfile
new file mode 100644
index 0000000..5a8ac07
--- /dev/null
+++ b/docker/dev/mtt-php74-apache/Dockerfile
@@ -0,0 +1,5 @@
+
+FROM php:7.4-apache
+
+RUN docker-php-ext-install mysqli && \
+  mv "$PHP_INI_DIR/php.ini-production" "$PHP_INI_DIR/php.ini"
diff --git a/docker/dev/mtt-php74-apache/compose.yml b/docker/dev/mtt-php74-apache/compose.yml
new file mode 100644
index 0000000..e1747e6
--- /dev/null
+++ b/docker/dev/mtt-php74-apache/compose.yml
@@ -0,0 +1,11 @@
+services:
+  web:
+    build: ./
+    image: mytinytodo-dev:php7.4-apache
+    container_name: mtt-dev-php74-apache
+    ports:
+    - "8080:80"
+    volumes:
+    - ../../../src:/var/www/html
+    - ./php-mtt.ini:/usr/local/etc/php/conf.d/php-mtt.ini
+    - ./php-opcache.ini:/usr/local/etc/php/conf.d/php-opcache.ini
diff --git a/docker/dev/mtt-php74-apache/php-mtt.ini b/docker/dev/mtt-php74-apache/php-mtt.ini
new file mode 100644
index 0000000..34d3284
--- /dev/null
+++ b/docker/dev/mtt-php74-apache/php-mtt.ini
@@ -0,0 +1,7 @@
+
+; Since PHP 5.4 E_STRICT is included in E_ALL
+error_reporting = E_ALL
+
+log_errors = On
+display_errors = On
+display_startup_errors = On
diff --git a/docker/dev/mtt-php74-apache/php-opcache.ini b/docker/dev/mtt-php74-apache/php-opcache.ini
new file mode 100644
index 0000000..9e1abaa
--- /dev/null
+++ b/docker/dev/mtt-php74-apache/php-opcache.ini
@@ -0,0 +1,34 @@
+;; opcache.ini
+
+;; check /usr/local/etc/php/conf.d if exists docker-php-ext-opcache.ini
+
+; To disable opcache just comment this line
+zend_extension=opcache.so
+
+[opcache]
+opcache.enable=0
+opcache.enable_cli=0
+
+; The size of the shared memory storage used by OPcache, in megabytes. The minimum permissible value is "8", which is enforced if a smaller value is set.
+; Default is 128.
+opcache.memory_consumption=128
+
+; The maximum number of keys (and therefore scripts) in the OPcache hash table.
+; The actual value used will be the first number in the set of prime numbers
+;  { 223, 463, 983, 1979, 3907, 7963, 16229, 32531, 65407, 130987, 262237, 524521, 1048793 }
+;  that is greater than or equal to the configured value.
+; The minimum value is 200. The maximum value is 1000000. Values outside of this range are clamped to the permissible range.
+; Default is 10000.
+opcache.max_accelerated_files=1000
+
+; How often to check script timestamps for updates, in seconds. 0 will result in OPcache checking for updates on every request.
+; This configuration directive is ignored if opcache.validate_timestamps is disabled.
+; Default is 2.
+opcache.revalidate_freq=2
+
+; If enabled, OPcache will check for updated scripts every opcache.revalidate_freq seconds.
+; When this directive is disabled, you must reset OPcache manually via opcache_reset(), opcache_invalidate()
+;  or by restarting the Web server for changes to the filesystem to take effect.
+; Default is 1.
+;; Override in docker-compose
+opcache.validate_timestamps=1
diff --git a/docker/dev/mtt-php80-apache/Dockerfile b/docker/dev/mtt-php80-apache/Dockerfile
new file mode 100644
index 0000000..75a6277
--- /dev/null
+++ b/docker/dev/mtt-php80-apache/Dockerfile
@@ -0,0 +1,5 @@
+
+FROM php:8.0-apache
+
+RUN docker-php-ext-install mysqli && \
+  mv "$PHP_INI_DIR/php.ini-production" "$PHP_INI_DIR/php.ini"
diff --git a/docker/dev/mtt-php80-apache/compose.yml b/docker/dev/mtt-php80-apache/compose.yml
new file mode 100644
index 0000000..f570f3c
--- /dev/null
+++ b/docker/dev/mtt-php80-apache/compose.yml
@@ -0,0 +1,11 @@
+services:
+  web:
+    build: ./
+    image: mytinytodo-dev:php8.0-apache
+    container_name: mtt-dev-php80-apache
+    ports:
+    - "8080:80"
+    volumes:
+    - ../../../src:/var/www/html
+    - ./php-mtt.ini:/usr/local/etc/php/conf.d/php-mtt.ini
+    - ./php-opcache.ini:/usr/local/etc/php/conf.d/php-opcache.ini
diff --git a/docker/dev/mtt-php80-apache/php-mtt.ini b/docker/dev/mtt-php80-apache/php-mtt.ini
new file mode 100644
index 0000000..34d3284
--- /dev/null
+++ b/docker/dev/mtt-php80-apache/php-mtt.ini
@@ -0,0 +1,7 @@
+
+; Since PHP 5.4 E_STRICT is included in E_ALL
+error_reporting = E_ALL
+
+log_errors = On
+display_errors = On
+display_startup_errors = On
diff --git a/docker/dev/mtt-php80-apache/php-opcache.ini b/docker/dev/mtt-php80-apache/php-opcache.ini
new file mode 100644
index 0000000..9e1abaa
--- /dev/null
+++ b/docker/dev/mtt-php80-apache/php-opcache.ini
@@ -0,0 +1,34 @@
+;; opcache.ini
+
+;; check /usr/local/etc/php/conf.d if exists docker-php-ext-opcache.ini
+
+; To disable opcache just comment this line
+zend_extension=opcache.so
+
+[opcache]
+opcache.enable=0
+opcache.enable_cli=0
+
+; The size of the shared memory storage used by OPcache, in megabytes. The minimum permissible value is "8", which is enforced if a smaller value is set.
+; Default is 128.
+opcache.memory_consumption=128
+
+; The maximum number of keys (and therefore scripts) in the OPcache hash table.
+; The actual value used will be the first number in the set of prime numbers
+;  { 223, 463, 983, 1979, 3907, 7963, 16229, 32531, 65407, 130987, 262237, 524521, 1048793 }
+;  that is greater than or equal to the configured value.
+; The minimum value is 200. The maximum value is 1000000. Values outside of this range are clamped to the permissible range.
+; Default is 10000.
+opcache.max_accelerated_files=1000
+
+; How often to check script timestamps for updates, in seconds. 0 will result in OPcache checking for updates on every request.
+; This configuration directive is ignored if opcache.validate_timestamps is disabled.
+; Default is 2.
+opcache.revalidate_freq=2
+
+; If enabled, OPcache will check for updated scripts every opcache.revalidate_freq seconds.
+; When this directive is disabled, you must reset OPcache manually via opcache_reset(), opcache_invalidate()
+;  or by restarting the Web server for changes to the filesystem to take effect.
+; Default is 1.
+;; Override in docker-compose
+opcache.validate_timestamps=1
diff --git a/docker/dev/readme.md b/docker/dev/readme.md
new file mode 100644
index 0000000..30229f7
--- /dev/null
+++ b/docker/dev/readme.md
@@ -0,0 +1,8 @@
+Docker containers for development and testing purposes.
+Not recommended for production usage!
+
+To run docker container:
+
+    cd mtt-php74-apache
+    docker-compose build --pull
+    docker-compose up