Overhaul Dockerfile

Switch from ubuntu:focal to debian:bookworm-slim for smaller image and newer
opam.

Add ffmpeg and ssl support.

Two-stage build to remove build dependencies from final image.

Dockerfile

@@ -1,7 +1,4 @@
-FROM ubuntu:focal
-
-LABEL maintainer="Kirill Plotnikov <[email protected]>" \
-      github="https://github.com/pltnk/docker-liquidsoap"
+FROM debian:bookworm-slim AS builder
 
 ENV DEBIAN_FRONTEND=noninteractive
 
@@ -10,11 +7,20 @@ RUN apt update && apt upgrade -y && \
     apt install -y \
     opam \
     gcc \
+    libavcodec-dev \
+    libavdevice-dev \
+    libavfilter-dev \
+    libavformat-dev \
+    libavutil-dev \
+    libswresample-dev \
+    libswscale-dev \
+    libcurl4-gnutls-dev \
     libmad0-dev \
     libmp3lame-dev \
     libogg-dev \
     libpcre3-dev \
     libsamplerate0-dev \
+    libssl-dev \
     libtag1-dev \
     libvorbis-dev \
     m4 \
@@ -24,26 +30,59 @@ RUN apt update && apt upgrade -y && \
     apt autoremove && apt clean && \
     rm -rf /var/lib/apt/lists/*
 
-# add user for liquidsoap and create necessary directories
-RUN groupadd -g 999 radio && \
-    useradd -m -r -u 999 -s /bin/bash -g radio radio && \
-    mkdir /etc/liquidsoap /music && \
-    chown -R radio /etc/liquidsoap /music
-
 ARG LIQUIDSOAP_VERSION
-ARG OPAM_PACKAGES="liquidsoap${LIQUIDSOAP_VERSION:+.$LIQUIDSOAP_VERSION} taglib mad lame vorbis cry samplerate"
-
-USER radio
+ARG OPAM_PACKAGES="liquidsoap${LIQUIDSOAP_VERSION:+.$LIQUIDSOAP_VERSION} taglib mad lame vorbis cry samplerate ssl ffmpeg"
 
 # setup opam
-RUN opam init -a -y --disable-sandboxing && \
-    eval $(opam env) && \
-    opam install -y depext
+RUN opam init -a -y --disable-sandboxing
 
 # install liquidsoap
-RUN opam depext -y ${OPAM_PACKAGES} && \
-    opam install -y ${OPAM_PACKAGES} && \
+RUN opam install -y ${OPAM_PACKAGES} && \
     eval $(opam env) && \
     opam clean -acryv --logs --unused-repositories
 
 CMD eval $(opam env) && liquidsoap /etc/liquidsoap/script.liq
+
+
+FROM debian:bookworm-slim
+
+LABEL maintainer="Kirill Plotnikov <[email protected]>" \
+      github="https://github.com/pltnk/docker-liquidsoap"
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt update && apt upgrade -y && \
+    apt install -y \
+    libavcodec59 \
+    libavdevice59 \
+    libavfilter8 \
+    libavformat59 \
+    libavutil57 \
+    libcurl3-gnutls \
+    libmad0 \
+    libmp3lame0 \
+    libogg0 \
+    libpcre3 \
+    libsamplerate0 \
+    libssl3 \
+    libswresample4 \
+    libswscale6 \
+    libtag1v5-vanilla \
+    libvorbis0a \
+    libvorbisenc2 \
+    libvorbisfile3 \
+    && \
+    apt autoremove && apt clean && \
+    rm -rf /var/lib/apt/lists/*
+
+COPY --from=builder /root/.opam/default/bin/liquidsoap /usr/local/bin
+
+# add user for liquidsoap and create necessary directories
+RUN groupadd -g 999 radio && \
+    useradd -m -r -u 999 -s /bin/bash -g radio radio && \
+    mkdir /etc/liquidsoap /music && \
+    chown -R radio /etc/liquidsoap /music
+
+USER radio
+
+CMD liquidsoap /etc/liquidsoap/script.liq