Add custom build ffmpeg

Dockerfile

@@ -1,9 +1,50 @@
-FROM denoland/deno:latest
+FROM denoland/deno:latest as builder
+RUN apt-get update && apt-get install -y \
+    gcc \
+    'g++' \
+    cmake \
+    nasm \
+    git \
+    zlib1g-dev \
+    pkgconf \
+    clang \
+    autoconf \
+    automake \
+    autotools-dev \
+    libtool \
+    xutils-dev \
+    ca-certificates \
+    curl \
+    file \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN cd ~ && \
+    curl -L "https://github.com/FFmpeg/FFmpeg/archive/refs/tags/n6.1.1.tar.gz" -o ffmpeg.tar.gz && \
+    tar -xzvf ffmpeg.tar.gz && \
+    cd Ffmpeg-n6.1.1 && \
+    ./configure --enable-pic --prefix=/clib --enable-shared --disable-static \
+    --enable-gpl --enable-version3 --disable-doc --disable-ffplay \
+    --disable-network --disable-autodetect --enable-zlib \
+    --disable-encoders --enable-encoder=mjpeg \
+    --disable-muxers --enable-muxer=image2,image2pipe \
+    --disable-decoders --enable-decoder=mjpeg,png,gif \
+    --disable-demuxers --enable-demuxer=image_jpeg_pipe,image_png_pipe,image_gif_pipe \
+    --disable-parsers --enable-parser=h264,png,gif \
+    --disable-bsfs --enable-bsf=dts2pts,null \
+    --disable-protocols --enable-protocol=async,concat,concatf,data,fd,file,md5,pipe,subfile \
+    --disable-devices --disable-filters --enable-filter=scale && \
+    make -j$(grep -c ^processor /proc/cpuinfo) && make install && \
+    cd ~ && rm -rf Ffmpeg-n6.1.1 ffmpeg.tar.gz
+
+FROM denoland/deno:latest as prod
 
 ARG DENO_DEPLOYMENT_ID
 
 WORKDIR /app
 
+COPY --from=builder /clib/lib /app/lib
+COPY --from=builder /clib/bin /app/bin
 COPY ./components ./components
 COPY ./islands ./islands
 COPY ./page ./page
@@ -24,10 +65,15 @@ COPY ./LICENSE ./
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
     curl \
+    zlib1g \
     && rm -rf /var/lib/apt/lists/*
 
+ENV LD_LIBRARY_PATH=/app/lib
+ENV PATH=/app/bin:$PATH
+
 RUN deno task fetch && deno task server-build && mkdir -p ./thumbnails && chmod 777 ./thumbnails && mkdir -p ./downloads && chmod 777 ./downloads
 ENV DENO_DEPLOYMENT_ID=${DENO_DEPLOYMENT_ID}
+ENV DOCKER=1
 
 EXPOSE 8000
 ENTRYPOINT deno task server