[DevOps] How to build smaller container image?

Prepare

• Clone this git repository
• Ensure You have podman and buildah installed

Play

Python Flask image based on Python (951MB)

$ cd python-image
$ buildah bud -t python-image .
$ podman run -d -p 5000:5000 localhost/python-image:latest

Python Flask image based on CentOS (291MB)

$ cd centos-image
$ buildah bud -t centos-image .
$ podman run -d -p 5000:5000 localhost/centos-image:latest

Python Flask image based on Alpine (59.4MB)

$ cd python-alpine-image
$ buildah bud -t python-alpine-image .
$ podman run -d -p 5000:5000 localhost/python-alpine-image:latest

React.js image based on Node (1.11GB)

$ cd node-image
$ buildah bud -t node-image .
$ podman run -d -p 3000:3000 localhost/node-image:latest

React.js image based on Node Alpine and multi-stage build (124MB)

$ cd node-multi-image
$ buildah bud -t node-multi-image .
$ podman run -d -p 3000:3000 localhost/node-multi-image:latest

React.js image based on Nginx and multi-stage build (25.2MB)

$ cd node-nginx-image
$ buildah bud -t node-nginx-image .
$ podman run -d -p 80:80 localhost/node-nginx-image:latest

Python Flask image based on distroless and multi-stage build (75MB)

$ cd python-distroless-image
$ buildah bud -t python-distroless-image .
$ podman run -d -p 5000:5000 localhost/python-distroless-image:latest

Hello image based on scratch and busybox (1.16MB)

$ cd hello-scratch-busybox-image
$ buildah bud -t hello-scratch-busybox-image .
$ podman run --rm localhost/hello-scratch-busybox-image:latest

Hello image based on scratch and simple C program (12.3KB)

$ cd c-scratch-image
$ buildah bud -t c-scratch-image .
$ podman run --rm localhost/c-scratch-image:latest

Python Flask image built from scratch (18MB)

$ cd python-scratch-image
$ buildah bud -t python-scratch-image .
$ podman run -d -p 5000:5000 localhost/python-scratch-image:latest