chore: improve devcontainer setup

.devcontainer/Dockerfile

@@ -1,22 +0,0 @@
-# syntax=docker/dockerfile:1
-FROM debian:bookworm-slim
-
-RUN apt-get update && apt-get install -y \
-  libxkbcommon0 \
-  ca-certificates \
-  git \
-  unzip \
-  libc++1 \
-  vim \
-  curl \
-  procps \
-  && apt-get clean autoclean
-
-RUN curl -OL https://go.dev/dl/go1.24.0.linux-amd64.tar.gz && \
-  tar -C /usr/local -xzvf go1.24.0.linux-amd64.tar.gz && \
-  rm go1.24.0.linux-amd64.tar.gz
-ENV PATH="$PATH:/usr/local/go/bin"
-
-# Ensure UTF-8 encoding
-ENV LANG=C.UTF-8
-ENV LC_ALL=C.UTF-8

.devcontainer/devcontainer.json

@@ -1,20 +1,7 @@
 // For format details, see https://aka.ms/devcontainer.json. For config options, see the
 // README at: https://github.com/devcontainers/templates/tree/main/src/debian
 {
-  "name": "Debian",
-  "build": {
-    "dockerfile": "Dockerfile"
-  }
-
-  // Features to add to the dev container. More info: https://containers.dev/features.
-  // "features": {},
-
-  // Use 'forwardPorts' to make a list of ports inside the container available locally.
-  // "forwardPorts": [],
-
-  // Configure tool-specific properties.
-  // "customizations": {},
-
-  // Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
-  // "remoteUser": "root"
+  "name": "Development",
+  "image": "mcr.microsoft.com/devcontainers/go:1.23-bookworm",
+  "postCreateCommand": "go mod tidy"
 }