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Ghost Blog on Docker - Dockerfile for ARM etc

License: MIT License

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ghost-on-docker's Introduction

ghost-on-docker

Pair Docker and Ghost for the perfect platform to run your blog!

Find out more about Ghost here

Ghost is an elegant and minimal blogging platform that focus on simplicity. One of its most attractive features is its Markdown editor. It's also fully hackable running on Node.js with the Handlebars view-engine.

This project is work-in-progress but all the blog images are fully working

Ghost 1.0

Ghost 1.0 was released in July 2017 you can find the Dockerfile here and a Getting Started blog post here.

For now I'd still recommend using Ghost 0.11.x which has better support for running in Docker under a known configuration. Check back soon for more on Ghost 1.0.

Ghost 0.11.x

The rest of these instructions are for the version of Ghost running at https://blog.alexellis.io and many other sites.

Getting started

You can pull the ARMv7 image (for PI2/3) straight from the Docker Hub docker pull alexellis2/ghost-on-arm:armv7. The image for your PC, laptop or cloud host is - alexellis2/ghost-on-docker:latest.

To get the latest and greatest versions you can build your own image using the Dockerfile provided. If you'd like to help maintain or test new versions please do so through pull requests.

Please support the project by giving it a Star.

Dockerfiles

These are all based upon Node 4.x, pick the architecture for your computer/server. If you are using a regular PC it will be the first option marked x86_x64. Each image has been pushed to the Docker hub, the npm modules alone for Ghost take up around 500MB, but the download will be faster than a fresh build if you use a Raspberry PI.

Regular PC/Laptop - x86_x64
Dockerfile
Based upon Alpine Linux
Very fast build time and high amount of requests/per second compared to a Raspberry PI, my Core i5 NUC with 16GB RAM running a single container gave around 85-90 requests/per second.

Example usage:

$ docker run --name blog -d -p 80:2368 alexellis2/ghost-on-docker:latest

Or use the recently added Docker Compose file for even less fuss:

$ docker-compose up -d

ARMv7 (Raspberry PI 2 / 3)
Dockerfile
Building SQLite npm module on PI 2 takes about 7 minutes
semver and other required modules will take quite some time
Once up and running can handle 12-16 requests per second
Nginx is beneficial as a cache (dramatically improving requests/per second), but not absolutely necessary.

Example usage:

$ docker run --name blog -d -p 80:2368 alexellis2/ghost-on-docker:armv7

ARMv6 (Raspberry PI A/B/B+/Zero)
Dockerfile
Note: ARMv6, especially models with < 512mb RAM will require a swapfile for building the SQLite npm module. Creating SWAP file
Building SQLite npm module on PI Zero takes about 16 minutes
Once up and running performs 2-3 requests per second, use of Nginx or another cache is highly recommended.

Example usage:

$ docker run --name blog -d -p 80:2368 alexellis2/ghost-on-docker:armv6

Benchmarking

One of the simplest ways you can benchmark your blog is to use Apache Bench. It has a very simple CLI, here's an example load:

On the Docker host:

$ docker run --name blog -d -p 80:2368 alexellis2/ghost-on-docker:latest
5c71cdf984fefc7b508e8ee0f0d82c389ee492a339f7df23be95a61e83340156

From another PC:

$ ab -c 4 -n 1000 http://192.168.0.240/

-c 4 means 4 concurrent requests, simulating three users hitting the page at exactly the same time
-n 1000 means 1000 requests, so each of the 4 users will hit the page a portion of that time. i.e. 250 requests each.

You can play with the numbers to see how the blog performs under different conditions, you could also try typing in docker stats to see what kind of load the Docker container is creating.

Taking it further

Learn how to apply caching on your blog with NGinx.

Boost your site's performance and save money with NGinx

Use Docker volumes to safely upgrade your blog and preserve your data

Keeping Shipping your blog with Docker volumes

There is also an example docker-compose.yml file in this repository which you can use as a template for mounting a persistent volume.

Questions/comments?

Head over to my blog and post a comment/question, or if you've found a bug raise an issue on Github.

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Update ARMv6 image on Hub

Update ARMv6 image for @jmkhael

impossible to publish

hello
i deployed this containers with docker compose on Ras pi 3
Always is ok , except when i want publish : impossible to publish , the button becomes red and the article is not published
an idea ?
Thanks

Using Data Volumes

Which directory would we want to map a data volume to if we want to persist our data outside of the container, but still be able to easily update the container when new versions are released?

Update to Ghost 0.11.1

What is sed in your Dockerfile?

Hello, I'm trying to understand what you did in your Dockerfile but I don't find any reference for the sed command.

RUN sed -i s/my-ghost-blog.com/blog.alexellis.io/g config.js

I assume it's a third party software?

Unable to access admin

Hi,

I've followed the steps described in your blog post. The ghost site is running, and accessible at http://localhost:2368. However trying to access the admin page at http://localhost:2368/ghost raises the following error:

Error: No default engine was specified and no extension was provided.
    at new View (/var/www/ghost/versions/1.4.0/node_modules/express/lib/view.js:62:11)
    at EventEmitter.render (/var/www/ghost/versions/1.4.0/node_modules/express/lib/application.js:570:12)
    at ServerResponse.render (/var/www/ghost/versions/1.4.0/node_modules/express/lib/response.js:971:7)
    at HTMLErrorRender (/var/www/ghost/versions/1.4.0/core/server/middleware/error-handler.js:86:9)
    at Layer.handle_error (/var/www/ghost/versions/1.4.0/node_modules/express/lib/router/layer.js:71:5)
    at trim_prefix (/var/www/ghost/versions/1.4.0/node_modules/express/lib/router/index.js:315:13)
    at /var/www/ghost/versions/1.4.0/node_modules/express/lib/router/index.js:284:7
    at Function.process_params (/var/www/ghost/versions/1.4.0/node_modules/express/lib/router/index.js:335:12)
    at next (/var/www/ghost/versions/1.4.0/node_modules/express/lib/router/index.js:275:10)
    at prepareError (/var/www/ghost/versions/1.4.0/core/server/middleware/error-handler.js:58:5)
    at Layer.handle_error (/var/www/ghost/versions/1.4.0/node_modules/express/lib/router/layer.js:71:5)
    at trim_prefix (/var/www/ghost/versions/1.4.0/node_modules/express/lib/router/index.js:315:13)
    at /var/www/ghost/versions/1.4.0/node_modules/express/lib/router/index.js:284:7
    at Function.process_params (/var/www/ghost/versions/1.4.0/node_modules/express/lib/router/index.js:335:12)
    at next (/var/www/ghost/versions/1.4.0/node_modules/express/lib/router/index.js:275:10)
    at Layer.handle_error (/var/www/ghost/versions/1.4.0/node_modules/express/lib/router/layer.js:67:12)
    at trim_prefix (/var/www/ghost/versions/1.4.0/node_modules/express/lib/router/index.js:315:13)
    at /var/www/ghost/versions/1.4.0/node_modules/express/lib/router/index.js:284:7
    at Function.process_params (/var/www/ghost/versions/1.4.0/node_modules/express/lib/router/index.js:335:12)
    at next (/var/www/ghost/versions/1.4.0/node_modules/express/lib/router/index.js:275:10)
    at /var/www/ghost/versions/1.4.0/node_modules/express/lib/response.js:424:7
    at SendStream.onerror (/var/www/ghost/versions/1.4.0/node_modules/express/lib/response.js:1003:5)

Any leads on how to solve this? :-)
Thanks!

Tag armv6 not found in repository docker.io/alexellis2/node4.x-arm

I tried to build my own image from your Dockerfile (ARMv6) for a Raspberry Pi Model B, but it did not work, because the docker repository tag armv6 is not available. The two available repository tags are v6 and latest.

armv7 image is outdated

Spinning up the armv7 image and proceeding to the admin section produces "Ghost 0.11.8 is available! Hot Damn. Click here to upgrade."

Typo in blog

docker run -d -p 80:2368 -v -v /path/to/ghost/blog:/var/lib/ghost ghost

The -v is present twice. Typo?

At https://www.ghostforbeginners.com/deploying-ghost-with-docker/

Problem building ARMv7 image on RBpi3

npm ERR! Linux 4.9.35-v7+
npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "install"
npm ERR! node v6.9.2
npm ERR! npm v3.10.9
npm ERR! path /var/www/ghost/node_modules/sqlite3/node_modules/node-pre-gyp/node_modules/request/node_modules/har-validator/node_modules/chalk/node_modules/ansi-styles
npm ERR! code EXDEV
npm ERR! errno -18
npm ERR! syscall rename

npm ERR! EXDEV: cross-device link not permitted, rename '/var/www/ghost/node_modules/sqlite3/node_modules/node-pre-gyp/node_modules/request/node_modules/har-validator/node_modules/chalk/node_modules/ansi-styles' -> '/var/www/ghost/node_modules/ansi-styles'
npm ERR!
npm ERR! If you need help, you may report this error at:
npm ERR! https://github.com/npm/npm/issues

npm ERR! Please include the following file with any support request:
npm ERR! /var/www/ghost/npm-debug.log

alexellis / ghost-on-docker Goto Github PK

ghost-on-docker's Introduction

ghost-on-docker

Ghost 1.0

Ghost 0.11.x

Getting started

Dockerfiles

Benchmarking

Taking it further

Questions/comments?

See also:

Just want to learn Docker?

How I self-host my blog for free

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