initial docker commit - working

Dockerfile

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+FROM php:7.0-apache
+COPY htdocs /var/www/html
+COPY htdocs/application/config/stikked.php.dist /var/www/html/application/config/stikked.php
+COPY replace-envvars.sh /bin/
+COPY docker-php-entrypoint /usr/local/bin/
+RUN chmod +x /usr/local/bin/docker-php-entrypoint
+
+EXPOSE 80
+RUN a2enmod rewrite
+RUN docker-php-ext-install mysqli

docker-compose.yml

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+version: '3'
+
+services:
+  db:
+    image: mysql:latest
+    volumes:
+      - db_data:/var/lib/mysql
+    environment:
+      MYSQL_RANDOM_ROOT_PASSWORD: 1
+      MYSQL_DATABASE: stikked
+      MYSQL_USER: stikked
+      MYSQL_PASSWORD: stikked
+
+  stikked:
+    depends_on:
+      - db
+    image: stikked
+    env_file:
+      stikked-envvars.txt
+    ports:
+      - 80:80
+
+volumes:
+  db_data:

docker-php-entrypoint

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+#!/bin/sh
+set -e
+
+# custom script to overwrite stikked config variables
+bash /bin/replace-envvars.sh
+
+# first arg is `-f` or `--some-option`
+if [ "${1#-}" != "$1" ]; then
+	set -- php "$@"
+fi
+
+exec "$@"

replace-envvars.sh

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+sed -i "s/\['site_name'\].*/['site_name'] = '$SITENAME';/" /var/www/html/application/config/stikked.php
+sed -i "s/\['base_url'\].*/['base_url'] = '$BASEURL';/" /var/www/html/application/config/stikked.php
+sed -i "s/\['db_hostname'\].*/['db_hostname'] = '$DBHOST';/" /var/www/html/application/config/stikked.php
+sed -i "s/\['db_database'\].*/['db_database'] = '$DBNAME';/" /var/www/html/application/config/stikked.php
+sed -i "s/\['db_username'\].*/['db_username'] = '$DBUSER';/" /var/www/html/application/config/stikked.php
+sed -i "s/\['db_password'\].*/['db_password'] = '$DBPASS';/" /var/www/html/application/config/stikked.php
+sed -i "s/\['enable_captcha'\].*/['enable_captcha'] = '$CAPTHCA';/" /var/www/html/application/config/stikked.php

stikked-envvars.txt

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+SITENAME=Stikked
+BASEURL=http:\/\/stikked.local\/
+DBHOST=db
+DBNAME=stikked
+DBUSER=stikked
+DBPASS=stikked
+CAPTCHA=false