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Whether it's Linux or Windows, Docker generates a massive amount of junk files after running for a while! Today I learned a command that freed up 30GB of my Windows hard drive space in one go!
Database migrations are not executed during the Docker image build phase; synchronization occurs after container startup and application process startup.
I've organized a Docker-compose.yaml configuration file that I use. You can directly use it and start it up.
When building multi-platform compatible Docker images using Github Actions, the execution was always slow. I had AI optimize the task configuration file.
For developers in mainland China, a common pain point during the Docker image build process is the long wait for the RUN npm install step.
This solution leverages PostgreSQL's native `pg_dump` logical backup tool, combined with host machine scripts and scheduled tasks, to achieve periodic snapshots and secure recovery of data.
In the era of containerization, database security is paramount in operations and maintenance. While Docker simplifies PostgreSQL deployment, the consequences of container corruption or accidental data deletion without automatic backups can be disastrous. This article introduces several mainstream PostgreSQL automatic backup solutions in Docker environments, analyzing their implementation methods and advantages and disadvantages.
In `Ubuntu` systems, by default, `Docker` execution permissions are usually limited to administrator users. This means ordinary users cannot directly run `docker` commands and need to use `sudo` or switch to an administrator user to execute them.