use same devcontainer as home assistant core

.devcontainer/devcontainer.json

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+{
+    "name": "Home Assistant Dev",
+    "context": "..",
+    "dockerFile": "../Dockerfile.dev",
+    "postCreateCommand": "git config --global --add safe.directory ${containerWorkspaceFolder} && scripts/setup",
+    "postStartCommand": "scripts/bootstrap",
+    "containerEnv": {
+        "PYTHONASYNCIODEBUG": "1"
+    },
+    "features": {
+        "ghcr.io/anthropics/devcontainer-features/claude-code:1.0": {},
+        "ghcr.io/devcontainers/features/github-cli:1": {}
+    },
+    "appPort": [
+        "9000:9000", // OCPP
+        "8123:8123", // Home Assistant
+        "5683:5683/udp" // Shelly integration
+    ],
+    "runArgs": [
+        "-e",
+        "GIT_EDITOR=code --wait",
+        "--security-opt",
+        "label=disable"
+    ],
+    "customizations": {
+        "vscode": {
+            "extensions": [
+                "charliermarsh.ruff",
+                "ms-python.pylint",
+                "ms-python.vscode-pylance",
+                "visualstudioexptteam.vscodeintellicode",
+                "redhat.vscode-yaml",
+                "esbenp.prettier-vscode",
+                "GitHub.vscode-pull-request-github",
+                "GitHub.copilot"
+            ],
+            // Please keep this file in sync with settings in home-assistant/.vscode/settings.default.json
+            "settings": {
+                "python.experiments.optOutFrom": [
+                    "pythonTestAdapter"
+                ],
+                "python.defaultInterpreterPath": "/home/vscode/.local/ha-venv/bin/python",
+                "python.pythonPath": "/home/vscode/.local/ha-venv/bin/python",
+                "python.terminal.activateEnvInCurrentTerminal": true,
+                "python.testing.pytestArgs": [
+                    "--no-cov"
+                ],
+                "pylint.importStrategy": "fromEnvironment",
+                "editor.formatOnPaste": false,
+                "editor.formatOnSave": true,
+                "editor.formatOnType": true,
+                "files.trimTrailingWhitespace": true,
+                "terminal.integrated.profiles.linux": {
+                    "zsh": {
+                        "path": "/usr/bin/zsh"
+                    }
+                },
+                "terminal.integrated.defaultProfile.linux": "zsh",
+                "yaml.customTags": [
+                    "!input scalar",
+                    "!secret scalar",
+                    "!include_dir_named scalar",
+                    "!include_dir_list scalar",
+                    "!include_dir_merge_list scalar",
+                    "!include_dir_merge_named scalar"
+                ],
+                "[python]": {
+                    "editor.defaultFormatter": "charliermarsh.ruff"
+                },
+                "json.schemas": [
+                    {
+                        "fileMatch": [
+                            "homeassistant/components/*/manifest.json"
+                        ],
+                        "url": "${containerWorkspaceFolder}/scripts/json_schemas/manifest_schema.json"
+                    }
+                ]
+            }
+        }
+    }
+}

Dockerfile

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+# Automatically generated by hassfest.
+#
+# To update, run python3 -m script.hassfest -p docker
+ARG BUILD_FROM
+FROM ${BUILD_FROM}
+
+# Synchronize with homeassistant/core.py:async_stop
+ENV \
+    S6_SERVICES_GRACETIME=240000 \
+    UV_SYSTEM_PYTHON=true \
+    UV_NO_CACHE=true
+
+ARG QEMU_CPU
+
+# Home Assistant S6-Overlay
+COPY rootfs /
+
+# Needs to be redefined inside the FROM statement to be set for RUN commands
+ARG BUILD_ARCH
+# Get go2rtc binary
+RUN \
+    case "${BUILD_ARCH}" in \
+        "aarch64") go2rtc_suffix='arm64' ;; \
+        "armhf") go2rtc_suffix='armv6' ;; \
+        "armv7") go2rtc_suffix='arm' ;; \
+        *) go2rtc_suffix=${BUILD_ARCH} ;; \
+    esac \
+    && curl -L https://github.com/AlexxIT/go2rtc/releases/download/v1.9.9/go2rtc_linux_${go2rtc_suffix} --output /bin/go2rtc \
+    && chmod +x /bin/go2rtc \
+    # Verify go2rtc can be executed
+    && go2rtc --version
+
+# Install uv
+RUN pip3 install uv==0.7.1
+
+WORKDIR /usr/src
+
+## Setup Home Assistant Core dependencies
+COPY requirements.txt homeassistant/
+COPY homeassistant/package_constraints.txt homeassistant/homeassistant/
+RUN \
+    uv pip install \
+        --no-build \
+        -r homeassistant/requirements.txt
+
+COPY requirements_all.txt home_assistant_frontend-* home_assistant_intents-* homeassistant/
+RUN \
+    if ls homeassistant/home_assistant_*.whl 1> /dev/null 2>&1; then \
+        uv pip install homeassistant/home_assistant_*.whl; \
+    fi \
+    && uv pip install \
+        --no-build \
+        -r homeassistant/requirements_all.txt
+
+## Setup Home Assistant Core
+COPY . homeassistant/
+RUN \
+    uv pip install \
+        -e ./homeassistant \
+    && python3 -m compileall \
+        homeassistant/homeassistant
+
+WORKDIR /config

Dockerfile.dev

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+FROM mcr.microsoft.com/vscode/devcontainers/base:debian
+
+SHELL ["/bin/bash", "-o", "pipefail", "-c"]
+
+RUN \
+    curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - \
+    && apt-get update \
+    && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
+        # Additional library needed by some tests and accordingly by VScode Tests Discovery
+        bluez \
+        ffmpeg \
+        libudev-dev \
+        libavformat-dev \
+        libavcodec-dev \
+        libavdevice-dev \
+        libavutil-dev \
+        libgammu-dev \
+        libswscale-dev \
+        libswresample-dev \
+        libavfilter-dev \
+        libpcap-dev \
+        libturbojpeg0 \
+        libyaml-dev \
+        libxml2 \
+        git \
+        cmake \
+        autoconf \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+# Add go2rtc binary
+COPY --from=ghcr.io/alexxit/go2rtc:latest /usr/local/bin/go2rtc /bin/go2rtc
+
+WORKDIR /usr/src
+
+COPY --from=ghcr.io/astral-sh/uv:latest /uv /usr/local/bin/uv
+
+RUN uv python install 3.13.2
+
+USER vscode
+ENV VIRTUAL_ENV="/home/vscode/.local/ha-venv"
+RUN uv venv $VIRTUAL_ENV
+ENV PATH="$VIRTUAL_ENV/bin:$PATH"
+
+WORKDIR /tmp
+
+# Setup hass-release
+RUN git clone --depth 1 https://github.com/home-assistant/hass-release ~/hass-release \
+    && uv pip install -e ~/hass-release/
+
+# Install Python dependencies from requirements
+COPY requirements.txt ./
+COPY homeassistant/package_constraints.txt homeassistant/package_constraints.txt
+RUN uv pip install -r requirements.txt
+COPY requirements_test.txt requirements_test_pre_commit.txt ./
+RUN uv pip install -r requirements_test.txt
+
+WORKDIR /workspaces
+
+# Set the default shell to bash instead of sh
+ENV SHELL=/bin/bash

scripts/bootstrap

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+#!/bin/sh
+# Resolve all dependencies that the application requires to run.
+
+# Stop on errors
+set -e
+
+cd "$(dirname "$0")/.."
+
+python3 -m pip install -r requirements.txt