This article demonstrates deploying a local WordPress project, managed with Docker Compose, to a DigitalOcean droplet. It leverages Git and a repository (like BitBucket) for synchronization between local development and the remote server.
Key Advantages:
- Simplified deployment using Docker Compose.
- Version control with Git ensures easy updates and rollback capabilities.
- Docker's isolated environment enhances security and manageability.
- Easy replication for scaling or creating consistent development/testing environments.
Setting up Your DigitalOcean Droplet:
-
Create a DigitalOcean account and droplet (a VPS instance). Choose a suitable instance size (starting with 512MB is economical) and region for optimal performance. Select an image pre-configured with Docker.
-
Configure SSH access using an existing or newly generated SSH key pair. This allows secure terminal access to your droplet.
Installing Docker Compose on the Droplet:
- Connect to your droplet via SSH (
ssh root@[ip_of_the_machine]
). - Install Docker Compose using the provided
curl
andchmod
commands. - Verify installation with
docker-compose --version
.
Deploying WordPress with Docker Compose:
-
Create a project directory (
mkdir wpdocker; cd wpdocker; touch docker-compose.yml
). -
Create a
docker-compose.yml
file with the provided configuration. Note that the IP address is not specified here, port mappings are crucial. -
Run
docker-compose up -d
to start the containers in detached mode (allowing them to run even after closing the terminal). This will pull necessary images on the first run.
Synchronizing Local Development with DigitalOcean using Git:
-
Initialize a Git repository in your local
wp-content
directory. -
Add a remote repository (e.g., BitBucket or GitHub).
-
Commit and push your local changes (
git init; git remote add origin git@bitbucket.org:[repository].git; git add .; git commit -m "first init"; git push -u origin master
). -
On your droplet, stop the containers (
docker-compose stop
), remove the existingwp-content
directory (rm -rf wp-content
), and generate an SSH key for the droplet (ssh-keygen -t rsa -C "your_email_here"
). Add the public key to your Bitbucket account. -
Clone the repository to the droplet (
git clone git@bitbucket.org:[repository].git wp-content
). -
Restart the containers (
docker-compose up -d
).
Conclusion:
This process enables continuous integration between local development and the DigitalOcean server, streamlining the WordPress deployment workflow. The use of Docker Compose and Git provides a robust and efficient solution. The article also includes a comprehensive FAQ section addressing various aspects of WordPress deployment with Docker.
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