improving unoconv README.md

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-# STARTX Services docker-images : PHP Webserver
+<!--[metadata]>
++++
+title = "STARTX Docker Services Images : APACHE"
+description = "Docker container with apache service based on latest fedora"
+keywords = ["home, docker, startx, apache, fedora, centos, repository, container, swarm, compose"]
+weight=3
++++
+<![end-metadata]-->
 
-Container running apache + php daemon under a fedora server
+# Docker OS Images : APACHE
 
-## Running from docker registry
+Simple and lightweight (120Mo) container used to deliver static http content include all apache's modules but no external languages engines (like php). For dynamic content, you should use our [sv-php service container](https://hub.docker.com/r/startx/sv-php)
+Run [apache httpd daemon](https://httpd.apache.org/) under a container based on [startx/fedora container](https://hub.docker.com/r/startx/fedora)
 
-	docker run -d -p 80:80 --name="php" startx/sv-php
-        # when used with a volume container (run data container, then run service)
-	docker run -d -v /var/www/html -v /var/logs/apache_php --name php-data startx/sv-php  echo "Data container for php webserver"
-	docker run -d -p 80:80 --volumes-from php-data --name="php" startx/sv-php
-	when linked to another container
-	docker run -d --name="mongo" startx/sv-mongo
-	docker run -d -p 80:80 --name="php" --link mongo:mongo startx/sv-php
+| [![Build Status](https://travis-ci.org/startxfr/docker-images.svg)](https://travis-ci.org/startxfr/docker-images) | [Dockerhub Registry](https://hub.docker.com/r/startx/sv-apache/) | [Sources](https://github.com/startxfr/docker-images/Services/apache)             | [STARTX Profile](https://github.com/startxfr) | 
+|-------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------|----------------------------------------------------------------------------------|-----------------------------------------------|
 
-## Build and run from local Dockerfile
-### Building docker image
-Copy sources in your docker host 
+## Available flavours
 
-	mkdir startx-docker-images; 
-	cd startx-docker-images;
-	git clone https://github.com/startxfr/docker-images.git .
+* `:latest` : Fedora core 23 + Apache 
+* `:fc23` : Fedora core 23 + Apache 
+* `:fc22` : Fedora core 22 + Apache 
+* `:fc21` : Fedora core 21 + Apache 
+* `:centos7` : CentOS 7 + Apache 
+* `:centos6` : Centos 6 + Apache 
 
-Change configuration and personalize your base image. you can change file httpd.conf if you want to add some config into http server. File php.ini will be added into php init scripts and executed when server start.
+## Running from dockerhub registry
 
-Build the container
+* with `docker` you can run `docker run -it --name="sv-apache" startx/sv-apache` from any docker host
+* with `docker-compose` you can create a docker-compose.yml file with the following content
+```
+service:
+  image: startx/sv-apache:latest
+  container_name: "sv-apache"
+  environment:
+    CONTAINER_TYPE: "service"
+    CONTAINER_SERVICE: "apache"
+    CONTAINER_INSTANCE: "service-apache"
+    SERVER_NAME: "localhost"
+    DOC_ROOT: "/data/apache"
+  volumes:
+    - "/tmp/container/logs/apache:/data/logs/apache"
+    - "/tmp/container/apache:/data/apache"
+```
 
-	docker build -t sv-php Services/php/
+## Docker-compose in various situations
 
-### Running local image
+* sample docker-compose.yml linked to host port 1000
+```
+service:
+  image: startx/sv-apache:latest
+  container_name: "sv-apache"
+  environment:
+    CONTAINER_INSTANCE: "service-apache"
+  ports:
+    - "1000:80"
+```
+* sample docker-compose.yml with port exposed only to linked services
+```
+service:
+  image: startx/sv-apache:latest
+  container_name: "sv-apache"
+  environment:
+    CONTAINER_INSTANCE: "service-apache"
+  expose:
+    - "80"
+```
+* sample docker-compose.yml using data container
+```
+data:
+  image: startx/fedora:latest
+  container_name: "sv-apache-data"
+  environment:
+    CONTAINER_INSTANCE: "service-apache-data"
+service:
+  image: startx/sv-apache:latest
+  container_name: "sv-apache"
+  environment:
+    CONTAINER_INSTANCE: "service-apache"
+  volume_from:
+    - data:rw
+```
 
-	docker run -d -p 80:80 --name="php" sv-php
+## Using this image in your own container
 
-## Accessing server
-access to the running webserver
+You can use this Dockerfile template to start a new personalized container based on this container. Create a file named Dockerfile in your project directory and copy this content inside. See [docker guide](http://docs.docker.com/engine/reference/builder/) for instructions on how to use this file.
+ ```
+FROM startx/sv-apache:latest
+#... your container specifications
+CMD ["/bin/run.sh"]
+```
 
-	firefox http://localhost:80
+## Environment variable
 
-access to the container itself
+| Variable                  | Type     | Mandatory | Description                                                              |
+|---------------------------|----------|-----------|--------------------------------------------------------------------------|
+| CONTAINER_INSTANCE        | `string` | `yes`     | Container name. Should be uning to get fine grained log and application reporting
+| CONTAINER_TYPE            | `string` | `no`      | Container family (os, service, application. could be enhanced 
+| CONTAINER_SERVICE         | `string` | `no`      | Define the type of service or application provided
+| SERVER_NAME               | `string` | `no`      | Server name for this container. If no name localhost will be assigned
+| HOSTNAME                  | `auto`   | `auto`    | Container unique id automatically assigned by docker daemon at startup
+| DOC_ROOT                  | `auto`   | `auto`    | document root, will use the $APP_PATH variable
+| LOG_PATH                  | `auto`   | `auto`    | default set to /data/logs/apache and used as a volume mountpoint
+| APP_PATH                  | `auto`   | `auto`    | default set to /data/apache and used as a volume mountpoint
 
-	docker exec -it php /bin/bash
+## Exposed port
 
-## Related Resources
-* [Sources files](https://github.com/startxfr/docker-images/tree/master/Services/php)
-* [Github STARTX profile](https://github.com/startxfr/docker-images)
-* [Docker registry for this container](https://registry.hub.docker.com/u/startx/sv-php/)
-* [Docker registry for Fedora](https://registry.hub.docker.com/u/fedora/)
\ No newline at end of file
+| Port  | Description                                                              |
+|-------|--------------------------------------------------------------------------|
+| 80    | standard httpd network port used for non encrypted http traffic
+| 443   | SSL enabeled http port used for encrypted traffic (certificate not actually implemented)
+
+## Exposed volumes
+
+| Container directory  | Description                                                              |
+|----------------------|--------------------------------------------------------------------------|
+| /data/logs/apache    | log directory used to record container and apache logs
+| /data/apache         | data directory served by apache. If empty will be filled with app on startup. In other case use content from mountpoint or data volumes
+
+## Testing the service
+
+access to the running webserver with your favorites browser `firefox http://localhost:80`. Change port and hostname according to your current configuration
+
+## For advanced users
+
+You want to use this container and code to build and create locally this container, follow theses instructions.
+
+This section will help you if you want to :
+* Get latest version of this service container
+* Enhance container content by adding instruction in Dockefile before build step
+
+You must have a working environment with the source code of this repository. Read and follow [how to setup your working environment](https://github.com/startxfr/docker-images#setup-your-working-environment-mandatory) to get a working directory. The following instructions assume you are at the top level of your working directory.
+
+### Build & run a container using `docker`
+
+1. Jump into the container directory with `cd Services/apache`
+2. Build the container using `docker build -t sv-apache .`
+3. Run this container 
+  1. Interactively with `docker run -p 80:80 -v /data/logs/apache -it sv-apache`. If you add a second parameter (like `/bin/bash`) to will run this command instead of the default entrypoint. Usefull to interact with this container (ex: `/bin/bash`, `/bin/ps -a`, `/bin/df -h`,...) 
+  2. As a daemon with `docker run -p 80:80 -v /data/logs/apache -d sv-apache`
+
+
+### Build & run a container using `docker-compose`
+
+1. Jump into the container directory with `cd Services/apache`
+2. Run this container 
+  1. Interactively with `docker-compose up` Startup logs appears and escaping this command stop the container
+  2. As a daemon with `docker-compose up -d`. Container startup logs can be read using `docker-compose logs`
+
+If you experience trouble with port already used, edit docker-compose.yml file and change port mapping