add docker build and compose

Dockerfile

@@ -0,0 +1,65 @@
+FROM python:3.13-slim-trixie
+
+ENV LANG C.UTF-8
+ENV DEBIAN_FRONTEND=noninteractive
+ENV PYTHONUNBUFFERED=1
+
+LABEL \
+    org.opencontainers.image.authors="Open Home Foundation" \
+    org.opencontainers.image.description="Voice assistant for Home Assistant" \
+    org.opencontainers.image.documentation="https://github.com/OHF-Voice/linux-voice-assistant/blob/main/README.md" \
+    org.opencontainers.image.licenses="Apache-2.0" \
+    org.opencontainers.image.source="https://github.com/OHF-Voice/linux-voice-assistant" \
+    org.opencontainers.image.title="Linux-Voice-Assistant" \
+    org.opencontainers.image.url="https://github.com/OHF-Voice/linux-voice-assistant"
+
+### Install packages:
+# - avahi-utils:        For zeroconf/mDNS discovery by Home Assistant
+# - pulseaudio-utils:   Required by soundcard library for audio I/O
+# - alsa-utils:         ALSA tools for audio device management
+# - pipewire-bin:       Required for pipewire support
+# - pipewire-alsa:      Required for pipewire support
+# - pipewire-pulse:     Required for pipewire support
+# - build-essential:    Required to compile pymicro-features
+# - libmpv-dev:         Required by python-mpv for audio playback
+# - libasound2-plugins: Required by python-mpv for audio playback
+# - ca-certificates:    For encrypted connections
+# - iproute2:           For ss command in entrypoint (port check)
+# - procps:             For pgrep in healthcheck
+RUN apt-get update && \
+apt-get install --yes --no-install-recommends \
+    avahi-utils \
+    pulseaudio-utils \
+    alsa-utils \
+    pipewire-bin \
+    pipewire-alsa \
+    pipewire-pulse \
+    build-essential \
+    libmpv-dev \
+    libasound2-plugins \
+    ca-certificates \
+    iproute2 \
+    procps && \
+apt-get clean
+
+### Set workdir:
+WORKDIR /app
+
+### Copy all application files:
+COPY script/ ./script/
+COPY pyproject.toml ./
+COPY setup.cfg ./
+COPY sounds/ ./sounds/
+COPY ../wakewords/ ./wakewords/
+COPY linux_voice_assistant/ ./linux_voice_assistant/
+COPY docker-entrypoint.sh ./
+
+### Run installation:
+RUN chmod +x docker-entrypoint.sh
+RUN ./script/setup
+
+### Set ports for ESPHome API:
+EXPOSE 6053
+
+### Set start script:
+ENTRYPOINT ["./docker-entrypoint.sh"]