Dockerfile & Docker Compose: The Secrets Every DevOps & Platform Engineer Wishes They Knew Earlier
📰 Medium · DevOps
Learn the secrets of Dockerfile and Docker Compose to improve your DevOps workflow and efficiency
Action Steps
- Create a Dockerfile using the FROM instruction to specify a base image
- Use Docker Compose to define and run multi-container Docker applications
- Apply best practices such as using the .dockerignore file to optimize the build process
- Configure CMD and ENTRYPOINT instructions to control the container's startup process
- Enable BuildKit to improve the build speed and efficiency
Who Needs to Know This
DevOps and platform engineers can benefit from this knowledge to streamline their development and deployment processes
Key Insight
💡 Dockerfile and Docker Compose are essential tools for efficient DevOps workflows
Share This
Boost your DevOps workflow with Dockerfile and Docker Compose secrets!
Key Takeaways
Learn the secrets of Dockerfile and Docker Compose to improve your DevOps workflow and efficiency
Full Article
Title: Dockerfile & Docker Compose:
The Secrets Every DevOps & Platform
Engineer Wishes They Knew Earlier
URL Source: https://medium.com/@amarachiezeonyekwere/dockerfile-docker-compose-the-secrets-every-devops-platform-engineer-wishes-they-knew-earlier-f41c49ca4fae?source=rss------devops-5
Published Time: 2026-07-17T14:04:44Z
Markdown Content:
[Sitemap](https://medium.com/sitemap/sitemap.xml)
[Open in app](https://play.google.com/store/apps/details?id=com.medium.reader&referrer=utm_source%3DmobileNavBar&source=---top_nav_layout_nav-----------------------------------------)
Sign up
[Sign in](https://medium.com/m/signin?operation=login&redirect=https%3A%2F%2Fmedium.com%2F%40amarachiezeonyekwere%2Fdockerfile-docker-compose-the-secrets-every-devops-platform-engineer-wishes-they-knew-earlier-f41c49ca4fae&source=post_page---top_nav_layout_nav-----------------------global_nav------------------)
[](https://medium.com/?source=---top_nav_layout_nav-----------------------------------------)
Get app
[Write](https://medium.com/m/signin?operation=register&redirect=https%3A%2F%2Fmedium.com%2Fnew-story&source=---top_nav_layout_nav-----------------------new_post_topnav------------------)
[Search](https://medium.com/search?source=---top_nav_layout_nav-----------------------------------------)
Sign up
[Sign in](https://medium.com/m/signin?operation=login&redirect=https%3A%2F%2Fmedium.com%2F%40amarachiezeonyekwere%2Fdockerfile-docker-compose-the-secrets-every-devops-platform-engineer-wishes-they-knew-earlier-f41c49ca4fae&source=post_page---top_nav_layout_nav-----------------------global_nav------------------)
1. [What Actually Is a Dockerfile?](https://medium.com/?source=post_page-----f41c49ca4fae---------------------------------------#bcda "What Actually Is a Dockerfile?")
2. [Why Does It Exist?](https://medium.com/?source=post_page-----f41c49ca4fae---------------------------------------#435a "Why Does It Exist?")
3. [Anatomy of a Dockerfile (The Real One)](https://medium.com/?source=post_page-----f41c49ca4fae---------------------------------------#6d69 "Anatomy of a Dockerfile (The Real One)")
4. [How Docker Layers Work (And Why This Changes Everything)](https://medium.com/?source=post_page-----f41c49ca4fae---------------------------------------#6d37 "How Docker Layers Work (And Why This Changes Everything)")
5. [Docker Compose: Or, How to Stop Running 47 Terminal Commands](https://medium.com/?source=post_page-----f41c49ca4fae---------------------------------------#61b7 "Docker Compose: Or, How to Stop Running 47 Terminal Commands")
6. [What Docker Compose Actually Does](https://medium.com/?source=post_page-----f41c49ca4fae---------------------------------------#0b26 "What Docker Compose Actually Does")
7. [Best Practices That Actually Matter](https://medium.com/?source=post_page-----f41c49ca4fae---------------------------------------#dc71 "Best Practices That Actually Matter")
8. [The .dockerignore File: The Most Underrated Tool in Your Arsenal](https://medium.com/?source=post_page-----f41c49ca4fae---------------------------------------#fe4c "The .dockerignore File: The Most Underrated Tool in Your Arsenal")
9. [CMD vs ENTRYPOINT: The Eternal Confusion Ends Here](https://medium.com/?source=post_page-----f41c49ca4fae---------------------------------------#07a8 "CMD vs ENTRYPOINT: The Eternal Confusion Ends Here")
10. [The Secrets Every DevOps Engineer Should Know](https://medium.com/?source=post_page-----f41c49ca4fae---------------------------------------#3637 "The Secrets Every DevOps Engineer Should Know")
11. [BuildKit Changes Everything; Enable It](https://medium.com/?source=post_page-----f41c49ca4fae---------------------------------------#1d07 "BuildKit Changes Everything; Enable It")
12. [Use Docker Compose to watch for a Supercharged Dev Loop](https://medium.com/?source=post_page-----f41c49ca4fae------
The Secrets Every DevOps & Platform
Engineer Wishes They Knew Earlier
URL Source: https://medium.com/@amarachiezeonyekwere/dockerfile-docker-compose-the-secrets-every-devops-platform-engineer-wishes-they-knew-earlier-f41c49ca4fae?source=rss------devops-5
Published Time: 2026-07-17T14:04:44Z
Markdown Content:
[Sitemap](https://medium.com/sitemap/sitemap.xml)
[Open in app](https://play.google.com/store/apps/details?id=com.medium.reader&referrer=utm_source%3DmobileNavBar&source=---top_nav_layout_nav-----------------------------------------)
Sign up
[Sign in](https://medium.com/m/signin?operation=login&redirect=https%3A%2F%2Fmedium.com%2F%40amarachiezeonyekwere%2Fdockerfile-docker-compose-the-secrets-every-devops-platform-engineer-wishes-they-knew-earlier-f41c49ca4fae&source=post_page---top_nav_layout_nav-----------------------global_nav------------------)
[](https://medium.com/?source=---top_nav_layout_nav-----------------------------------------)
Get app
[Write](https://medium.com/m/signin?operation=register&redirect=https%3A%2F%2Fmedium.com%2Fnew-story&source=---top_nav_layout_nav-----------------------new_post_topnav------------------)
[Search](https://medium.com/search?source=---top_nav_layout_nav-----------------------------------------)
Sign up
[Sign in](https://medium.com/m/signin?operation=login&redirect=https%3A%2F%2Fmedium.com%2F%40amarachiezeonyekwere%2Fdockerfile-docker-compose-the-secrets-every-devops-platform-engineer-wishes-they-knew-earlier-f41c49ca4fae&source=post_page---top_nav_layout_nav-----------------------global_nav------------------)
1. [What Actually Is a Dockerfile?](https://medium.com/?source=post_page-----f41c49ca4fae---------------------------------------#bcda "What Actually Is a Dockerfile?")
2. [Why Does It Exist?](https://medium.com/?source=post_page-----f41c49ca4fae---------------------------------------#435a "Why Does It Exist?")
3. [Anatomy of a Dockerfile (The Real One)](https://medium.com/?source=post_page-----f41c49ca4fae---------------------------------------#6d69 "Anatomy of a Dockerfile (The Real One)")
4. [How Docker Layers Work (And Why This Changes Everything)](https://medium.com/?source=post_page-----f41c49ca4fae---------------------------------------#6d37 "How Docker Layers Work (And Why This Changes Everything)")
5. [Docker Compose: Or, How to Stop Running 47 Terminal Commands](https://medium.com/?source=post_page-----f41c49ca4fae---------------------------------------#61b7 "Docker Compose: Or, How to Stop Running 47 Terminal Commands")
6. [What Docker Compose Actually Does](https://medium.com/?source=post_page-----f41c49ca4fae---------------------------------------#0b26 "What Docker Compose Actually Does")
7. [Best Practices That Actually Matter](https://medium.com/?source=post_page-----f41c49ca4fae---------------------------------------#dc71 "Best Practices That Actually Matter")
8. [The .dockerignore File: The Most Underrated Tool in Your Arsenal](https://medium.com/?source=post_page-----f41c49ca4fae---------------------------------------#fe4c "The .dockerignore File: The Most Underrated Tool in Your Arsenal")
9. [CMD vs ENTRYPOINT: The Eternal Confusion Ends Here](https://medium.com/?source=post_page-----f41c49ca4fae---------------------------------------#07a8 "CMD vs ENTRYPOINT: The Eternal Confusion Ends Here")
10. [The Secrets Every DevOps Engineer Should Know](https://medium.com/?source=post_page-----f41c49ca4fae---------------------------------------#3637 "The Secrets Every DevOps Engineer Should Know")
11. [BuildKit Changes Everything; Enable It](https://medium.com/?source=post_page-----f41c49ca4fae---------------------------------------#1d07 "BuildKit Changes Everything; Enable It")
12. [Use Docker Compose to watch for a Supercharged Dev Loop](https://medium.com/?source=post_page-----f41c49ca4fae------
DeepCamp AI