Replace Docker with Podman

.github/workflows/hadolint.yml

@@ -3,13 +3,13 @@ on:
   push:
     branches: [main]
     paths:
-      - '**Dockerfile'
-      - '**.dockerfile'
+      - '**Containerfile'
+      - '**.containerfile'
       - '.github/workflows/hadolint.yml'
   pull_request:
     paths:
-      - '**Dockerfile'
-      - '**.dockerfile'
+      - '**Containerfile'
+      - '**.containerfile'
       - '.github/workflows/hadolint.yml'
 
 jobs:
@@ -21,4 +21,4 @@ jobs:
       - uses: hadolint/hadolint-action@54c9adbab1582c2ef04b2016b760714a4bfde3cf # v3.1.0
         with:
           recursive: 'true'
-          dockerfile: Dockerfile
+          dockerfile: Containerfile

Dockerfile → Containerfile

@@ -1,9 +1,8 @@
-# syntax=docker/dockerfile:1
 FROM ubuntu:22.04
 
-# If you faced any error from dprint: https://github.com/dprint/dprint-plugin-dockerfile/issues
-
-SHELL ["/bin/bash", "-o", "pipefail", "-c"]
+# hadolint global ignore=DL4006
+# Because of SHELL is not supported in OCI format
+# SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 
 # Available versions in apt: https://packages.ubuntu.com/jammy/curl
 # --no-install-recommends is recommended by hadolint, but it omits ca-certificates

README.md

@@ -1,18 +1,18 @@
-# Docker container image - Nix package manager on Ubuntu
+# Containerfile - Nix package manager on Ubuntu
 
 ## Usage
 
 ```bash
-git clone [email protected]:kachick/dockerfile-ubuntu-nix.git
-cd dockerfile-ubuntu-nix
-docker build -t dockerfile-ubuntu-nix - < Dockerfile
-docker run -it dockerfile-ubuntu-nix
+git clone [email protected]:kachick/container-ubuntu-nix.git
+cd container-ubuntu-nix
+podman build --tag container-ubuntu-nix --file Containerfile .
+podman run -it container-ubuntu-nix
 ```
 
 ```console
-root@b130fdb85b72:/# nix --version
-nix (Nix) 2.19.3
-root@b130fdb85b72:/# nix run nixpkgs#hello
+root@a1cdfec2dca5:/# nix --version
+nix (Nix) 2.20.3
+root@a1cdfec2dca5:/# nix run nixpkgs#hello
 Hello, world!
 ```
 

Taskfile.yml

@@ -24,7 +24,7 @@ tasks:
       - dprint check
       - typos . .github .vscode
       - nixpkgs-fmt --check ./*.nix
-      - hadolint Dockerfile
+      - hadolint Containerfile
   deps:
     cmds:
       - nix --version

dprint.json

@@ -1,16 +1,13 @@
 {
   "json": {},
   "markdown": {},
-  "dockerfile": {
-  },
   "prettier": {
     "printWidth": 120,
     "singleQuote": true
   },
   "plugins": [
     "https://plugins.dprint.dev/json-0.19.1.wasm",
     "https://plugins.dprint.dev/markdown-0.16.3.wasm",
-    "https://plugins.dprint.dev/dockerfile-0.3.0.wasm",
     "https://plugins.dprint.dev/prettier-0.38.1.json@ae9b60b1ca7e22223cb47325b3d42c681444b46863d28ed92edc426f8a177e58"
   ]
 }

flake.nix

@@ -28,6 +28,7 @@
               nixpkgs-fmt
               go-task
               hadolint # Why prefer stable: https://github.com/NixOS/nixpkgs/pull/240387#issuecomment-1686601267
+              buildah
 
               unstable-pkgs.dprint
               unstable-pkgs.typos