feat: switch devcontainer to alpine 🚀 (#1241)

* feat: switch devcontainer to alpine 🚀

Signed-off-by: Devin Buhl <devin@buhl.casa>

* fix: update talosctl arch

Signed-off-by: Devin Buhl <devin@buhl.casa>

* chore: add serious comment

Signed-off-by: Devin Buhl <devin@buhl.casa>

* fix: pkg names

Signed-off-by: Devin Buhl <devin@buhl.casa>

---------

Signed-off-by: Devin Buhl <devin@buhl.casa>

.devcontainer/ci/devcontainer.json

@@ -1,40 +1,18 @@
 {
   "name": "Flux Cluster Template (CI)",
-  "image": "mcr.microsoft.com/devcontainers/base:bullseye",
+  "image": "mcr.microsoft.com/devcontainers/base:alpine",
   "features": {
-    "ghcr.io/audacioustux/devcontainers/cilium:1": {},
-    "ghcr.io/devcontainers/features/common-utils:2": {
-      "configureZshAsDefaultShell": true
-    },
-    "ghcr.io/devcontainers/features/github-cli:1": {},
-    "ghcr.io/devcontainers/features/python:1": {
-      "version": "3.11.7",
-      "installTools": false
-    },
-    "ghcr.io/devcontainers/features/kubectl-helm-minikube:1": {
-      "minikube": "none"
-    },
-    "ghcr.io/devcontainers-contrib/features/age:1": {},
-    "ghcr.io/devcontainers-contrib/features/cloudflared:1": {},
-    "ghcr.io/devcontainers-contrib/features/go-task:1": {},
-    "ghcr.io/devcontainers-contrib/features/direnv:1": {},
-    "ghcr.io/devcontainers-contrib/features/sops:1": {},
-    "ghcr.io/dhoeric/features/stern:1": {},
-    "ghcr.io/eitsupi/devcontainer-features/jq-likes:2": {},
-    "ghcr.io/framctr/devcontainer-features/talosctl:1": {},
-    "ghcr.io/gickis/devcontainer-features/kubeconform:1": {},
-    "ghcr.io/jsburckhardt/devcontainer-features/flux:1": {},
-    "ghcr.io/rio/features/kustomize:1": {}
+    "./features": {}
   },
   "customizations": {
     "vscode": {
       "settings": {
         "terminal.integrated.profiles.linux": {
           "bash": {
-            "path": "/bin/zsh"
+            "path": "/usr/bin/fish"
           }
         },
-        "terminal.integrated.defaultProfile.linux": "zsh"
+        "terminal.integrated.defaultProfile.linux": "fish"
       },
       "extensions": [
         "redhat.ansible",

.devcontainer/ci/features/devcontainer-feature.json

@@ -0,0 +1,6 @@
+{
+  "name": "Flux Cluster Template (Dev Tooling)",
+  "id": "flux-cluster-template",
+  "version": "1.0.0",
+  "description": "Install Development Tools"
+}

.devcontainer/ci/features/install.sh

@@ -0,0 +1,42 @@
+#!/bin/sh
+
+ARCH="$(uname -m)"
+if [ "$ARCH" == "x86_64" ]; then
+    ARCH="amd64"
+elif [ "$ARCH" == "aarch64" ]; then
+    ARCH="arm64"
+fi
+
+#
+# Install Tools from the Alpine Repositories
+#
+
+apk add --no-cache \
+    bash bind-tools ca-certificates curl python3 \
+    py3-pip moreutils jq git \
+    openssh-client
+
+apk add --no-cache \
+    --repository=https://dl-cdn.alpinelinux.org/alpine/edge/community \
+    age direnv fish github-cli \
+    go-task helm k0sctl kubectl \
+    kustomize sops yq
+
+apk add --no-cache \
+    --repository=https://dl-cdn.alpinelinux.org/alpine/edge/testing \
+    cilium-cli flux stern
+
+# Naming things is hard
+ln -s /usr/bin/go-task /usr/local/bin/task
+
+#
+# Install Tools not in Alpine Repositories
+#
+
+curl https://i.jpillora.com/cloudflare/cloudflared! | sudo bash
+curl https://i.jpillora.com/budimanjojo/talhelper! | sudo bash
+curl https://i.jpillora.com/yannh/kubeconform! | sudo bash
+
+curl -fsSL -o /usr/local/bin/talosctl \
+    "https://github.com/siderolabs/talos/releases/latest/download/talosctl-linux-${ARCH}"
+chmod +x /usr/local/bin/talosctl