Added docker/compose stuff and hopefully fixed CI

Dockerfile

@@ -0,0 +1,44 @@
+# Stage 1: Build frontend (Yew/WASM)
+FROM rust:1-bookworm AS frontend
+RUN rustup target add wasm32-unknown-unknown \
+    && cargo install trunk
+WORKDIR /build
+COPY . .
+RUN rustup target list --installed && cd shanty-web/frontend && trunk build --release
+
+# Stage 2: Build backend
+FROM rust:1-bookworm AS backend
+WORKDIR /build
+COPY . .
+COPY --from=frontend /build/shanty-web/static ./shanty-web/static
+RUN cargo build --release --bin shanty
+
+# Stage 3: Runtime
+FROM debian:bookworm-slim
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    ca-certificates ffmpeg python3 python3-pip python3-venv \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN python3 -m venv /opt/venv \
+    && /opt/venv/bin/pip install --no-cache-dir ytmusicapi yt-dlp
+ENV PATH="/opt/venv/bin:$PATH"
+
+WORKDIR /app
+
+COPY --from=backend /build/target/release/shanty .
+COPY --from=backend /build/shanty-web/static ./static
+COPY --from=backend /build/shanty-dl/scripts/ytmusic_search.py /usr/share/shanty/
+
+RUN mkdir -p /config /data /music
+
+ENV SHANTY_CONFIG=/config/config.yaml
+ENV SHANTY_DATABASE_URL=sqlite:///data/shanty.db?mode=rwc
+ENV SHANTY_LIBRARY_PATH=/music
+ENV SHANTY_DOWNLOAD_PATH=/data/downloads
+
+EXPOSE 8085
+
+VOLUME ["/config", "/data", "/music"]
+
+CMD ["./shanty"]