chore: use rust-ffmpeg docker as base for build

.dockerignore

@@ -5,5 +5,7 @@ Dockerfile
 docker-compose.yml
 .dockerignore
 .gitignore
-ui_src/.node_modules
-docs/
+
+docs/
+**/dist
+**/node_modules

Dockerfile

@@ -1,40 +1,9 @@
 ARG IMAGE=rust:bookworm
 ARG FEATURES
 
-FROM $IMAGE AS build
-WORKDIR /app/src
-COPY src src
-COPY migrations migrations
-COPY Cargo.lock Cargo.lock
-COPY Cargo.toml Cargo.toml
-ENV FFMPEG_DIR=/app/ffmpeg
-RUN apt update && \
-    apt install -y \
-    build-essential \
-    libx264-dev \
-    libx265-dev \
-    libwebp-dev \
-    libvpx-dev \
-    nasm \
-    libclang-dev \
-    protobuf-compiler && \
-    rm -rf /var/lib/apt/lists/*
-RUN git clone --single-branch --branch release/7.1 https://git.v0l.io/ffmpeg/FFmpeg.git && \
-    cd FFmpeg && \
-    ./configure \
-    --prefix=${FFMPEG_DIR} \
-    --disable-programs \
-    --disable-doc \
-    --disable-network \
-    --enable-gpl \
-    --enable-libx264 \
-    --enable-libx265 \
-    --enable-libwebp \
-    --enable-libvpx \
-    --disable-static \
-    --disable-postproc \
-    --enable-shared && \
-    make -j$(nproc) install
+FROM voidic/rust-ffmpeg AS build
+WORKDIR /src
+COPY . .
 RUN cargo install --path . --root /app/build --features "${FEATURES}"
 
 FROM node:bookworm AS ui_builder
@@ -52,6 +21,6 @@ RUN apt update && \
     rm -rf /var/lib/apt/lists/*
 COPY --from=build /app/build .
 COPY --from=ui_builder /app/src/dist ui
-COPY --from=build /app/ffmpeg/lib/ /lib
+COPY --from=build /app/src/ffmpeg/lib/ /lib
 RUN ./bin/route96 --version
 ENTRYPOINT ["./bin/route96"]