Adding docker development env

docker/Dockerfile

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+FROM alpine:3.11
+LABEL Maintainer="Thilina, Pituwala <thilina@icehrm.com>" \
+      Description="IceHrm Docker Container with Nginx 1.16 & PHP-FPM 7.3 based on Alpine Linux."
+
+# Install packages
+RUN apk --no-cache add php7 php7-fpm php7-opcache php7-mysqli php7-json php7-openssl php7-curl \
+    php7-zlib php7-xml php7-phar php7-intl php7-dom php7-xmlreader php7-ctype php7-session \
+    php7-mbstring php7-gd nginx supervisor curl
+
+# Configure nginx
+COPY config/nginx.conf /etc/nginx/nginx.conf
+# Remove default server definition
+RUN rm /etc/nginx/conf.d/default.conf
+
+# Configure PHP-FPM
+COPY config/fpm-pool.conf /etc/php7/php-fpm.d/www.conf
+COPY config/php.ini /etc/php7/conf.d/custom.ini
+
+# Configure supervisord
+COPY config/supervisord.conf /etc/supervisor/conf.d/supervisord.conf
+
+# Setup document root
+RUN mkdir -p /var/www/html
+
+# Make sure files/folders needed by the processes are accessable when they run under the nobody user
+RUN chown -R nobody.nobody /var/www/html && \
+  chown -R nobody.nobody /run && \
+  chown -R nobody.nobody /var/lib/nginx && \
+  chown -R nobody.nobody /var/log/nginx
+
+# Switch to use a non-root user from here on
+USER nobody
+
+# Add application
+WORKDIR /var/www/html
+COPY --chown=nobody ../app /var/www/html/app/
+COPY --chown=nobody ../core /var/www/html/core/
+COPY --chown=nobody ../web /var/www/html/web/
+COPY --chown=nobody ../index.php /var/www/html/index.php
+COPY --chown=nobody ../config/config.php /var/www/html/app/config.php
+
+# Expose the port nginx is reachable on
+EXPOSE 8080
+
+# Let supervisord start nginx & php-fpm
+CMD ["/usr/bin/supervisord", "-c", "/etc/supervisor/conf.d/supervisord.conf"]
+
+# Configure a healthcheck to validate that everything is up&running
+HEALTHCHECK --timeout=10s CMD curl --silent --fail http://127.0.0.1:8080/fpm-ping

docker/config/config.php

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+<?php
+ini_set('error_log', 'data/icehrm.log');
+
+define('CLIENT_NAME', 'icehrm');
+define('APP_BASE_PATH', '/var/www/html/core/');
+define('CLIENT_BASE_PATH', '/var/www/html/app/');
+define('BASE_URL','http://localhost:8080/web/');
+define('CLIENT_BASE_URL','http://localhost:8080/app/');
+
+define('APP_DB', 'dev');
+define('APP_USERNAME', 'dev');
+define('APP_PASSWORD', 'dev');
+define('APP_HOST', 'mysql');
+define('APP_CON_STR', 'mysqli://'.APP_USERNAME.':'.APP_PASSWORD.'@'.APP_HOST.'/'.APP_DB);
+
+//file upload
+define('FILE_TYPES', 'jpg,png,jpeg');
+define('MAX_FILE_SIZE_KB', 10 * 1024);

docker/config/fpm-pool.conf

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+[global]
+; Log to stderr
+error_log = /dev/stderr
+
+[www]
+; The address on which to accept FastCGI requests.
+; Valid syntaxes are:
+;   'ip.add.re.ss:port'    - to listen on a TCP socket to a specific IPv4 address on
+;                            a specific port;
+;   '[ip:6:addr:ess]:port' - to listen on a TCP socket to a specific IPv6 address on
+;                            a specific port;
+;   'port'                 - to listen on a TCP socket to all addresses
+;                            (IPv6 and IPv4-mapped) on a specific port;
+;   '/path/to/unix/socket' - to listen on a unix socket.
+; Note: This value is mandatory.
+listen = 127.0.0.1:9000
+
+; Enable status page
+pm.status_path = /fpm-status
+
+; Ondemand process manager
+pm = ondemand
+
+; The number of child processes to be created when pm is set to 'static' and the
+; maximum number of child processes when pm is set to 'dynamic' or 'ondemand'.
+; This value sets the limit on the number of simultaneous requests that will be
+; served. Equivalent to the ApacheMaxClients directive with mpm_prefork.
+; Equivalent to the PHP_FCGI_CHILDREN environment variable in the original PHP
+; CGI. The below defaults are based on a server without much resources. Don't
+; forget to tweak pm.* to fit your needs.
+; Note: Used when pm is set to 'static', 'dynamic' or 'ondemand'
+; Note: This value is mandatory.
+pm.max_children = 100
+
+; The number of seconds after which an idle process will be killed.
+; Note: Used only when pm is set to 'ondemand'
+; Default Value: 10s
+pm.process_idle_timeout = 10s;
+
+; The number of requests each child process should execute before respawning.
+; This can be useful to work around memory leaks in 3rd party libraries. For
+; endless request processing specify '0'. Equivalent to PHP_FCGI_MAX_REQUESTS.
+; Default Value: 0
+pm.max_requests = 1000
+
+; Make sure the FPM workers can reach the environment variables for configuration
+clear_env = no
+
+; Catch output from PHP
+catch_workers_output = yes
+
+; Remove the 'child 10 said into stderr' prefix in the log and only show the actual message
+decorate_workers_output = no
+
+; Enable ping page to use in healthcheck
+ping.path = /fpm-ping

docker/config/nginx.conf

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+worker_processes 1;
+error_log stderr warn;
+pid /run/nginx.pid;
+
+events {
+    worker_connections 1024;
+}
+
+http {
+    include mime.types;
+    default_type application/octet-stream;
+
+    # Define custom log format to include reponse times
+    log_format main_timed '$remote_addr - $remote_user [$time_local] "$request" '
+                          '$status $body_bytes_sent "$http_referer" '
+                          '"$http_user_agent" "$http_x_forwarded_for" '
+                          '$request_time $upstream_response_time $pipe $upstream_cache_status';
+
+    access_log /dev/stdout main_timed;
+    error_log /dev/stderr notice;
+
+    keepalive_timeout 65;
+
+    # Write temporary files to /tmp so they can be created as a non-privileged user
+    client_body_temp_path /tmp/client_temp;
+    proxy_temp_path /tmp/proxy_temp_path;
+    fastcgi_temp_path /tmp/fastcgi_temp;
+    uwsgi_temp_path /tmp/uwsgi_temp;
+    scgi_temp_path /tmp/scgi_temp;
+
+    # Default server definition
+    server {
+        listen [::]:8080 default_server;
+        listen 8080 default_server;
+        server_name _;
+
+        sendfile off;
+
+        root /var/www/html;
+        index index.php;
+
+        location /app/api/ {
+            try_files $uri /app/api/index.php?/$uri&$args;
+        }
+
+        # Pass the PHP scripts to PHP-FPM listening on 127.0.0.1:9000
+        location ~ \.php$ {
+            try_files $uri =404;
+            fastcgi_split_path_info ^(.+\.php)(/.+)$;
+            fastcgi_pass 127.0.0.1:9000;
+            fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
+            fastcgi_param SCRIPT_NAME $fastcgi_script_name;
+            fastcgi_index index.php;
+            include fastcgi_params;
+        }
+
+        location ~* \.(jpg|jpeg|gif|png|css|js|ico|xml)$ {
+            expires 5d;
+        }
+
+        # Deny access to . files, for security
+        location ~ /\. {
+            log_not_found off;
+            deny all;
+        }
+
+        # Allow fpm ping and status from localhost
+        location ~ ^/(fpm-status|fpm-ping)$ {
+            access_log off;
+            allow 127.0.0.1;
+            deny all;
+            fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
+            include fastcgi_params;
+            fastcgi_pass 127.0.0.1:9000;
+        }
+    }
+
+    gzip on;
+    gzip_proxied any;
+    gzip_types text/plain application/xml text/css text/js text/xml application/x-javascript text/javascript application/json application/xml+rss;
+    gzip_vary on;
+    gzip_disable "msie6";
+
+    # Include other server configs
+    include /etc/nginx/conf.d/*.conf;
+}

docker/config/php.ini

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+[Date]
+date.timezone="UTC"

docker/config/supervisord.conf

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+[supervisord]
+nodaemon=true
+logfile=/dev/null
+logfile_maxbytes=0
+pidfile=/run/supervisord.pid
+
+[program:php-fpm]
+command=php-fpm7 -F
+stdout_logfile=/dev/stdout
+stdout_logfile_maxbytes=0
+stderr_logfile=/dev/stderr
+stderr_logfile_maxbytes=0
+autorestart=false
+startretries=0
+
+[program:nginx]
+command=nginx -g 'daemon off;'
+stdout_logfile=/dev/stdout
+stdout_logfile_maxbytes=0
+stderr_logfile=/dev/stderr
+stderr_logfile_maxbytes=0
+autorestart=false
+startretries=0

docker/docker-compose.yaml

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+version: "3.5"
+services:
+  mysql:
+    image: mysql:5.7
+    ports:
+      - 3306:3306
+    environment:
+      MYSQL_ROOT_PASSWORD: IceHrmR00t
+      MYSQL_USER: dev
+      MYSQL_PASSWORD: dev
+      MYSQL_DATABASE: dev
+    volumes:
+      - ./init.sql:/docker-entrypoint-initdb.d/setup.sql
+      - ./db_data:/var/lib/mysql
+
+  icehrm:
+    build: .
+    ports:
+      - 8080:8080
+    links:
+      - mysql
+volumes:
+  db_data: