dragonflight/services/playout/Dockerfile
Zac 9436434599 fix(playout): build CasparCG 2.5.0 from .deb (2.3.3 tarball was a dead URL)
The image never built: CASPAR_URL pointed at a v2.3.3-stable Linux tarball
that CasparCG never published (2.3.x is Windows-only; Linux builds start at
2.4.0, and 2.4.1+ ship only as .deb). Rewrite to install the 2.5.0 noble
server + CEF debs on an ubuntu:24.04 base (Node 20 via nodesource), letting
apt resolve the GL/ffmpeg/openal runtime deps. Binary install dir is
discovered from the deb file list and symlinked to /opt/casparcg so the
entrypoint + config still run from there. Move CasparCG log/data dirs to
/media (writable mount) since the install dir may be read-only.

NOT runtime-validated: the 2.5 casparcg.config schema and the AMCP consumer
syntax (ADD <ch> STREAM/FILE) were authored against 2.3 and must be smoke-
tested against 2.5 before a channel start can be trusted.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-30 15:25:31 +00:00

93 lines
4.7 KiB
Docker

# Wild Dragon Playout sidecar — CasparCG Server + Node AMCP control shim.
#
# CasparCG's mixer needs an OpenGL context. On a node with a real GPU we'd pass
# the device + driver through; for the headless / no-GPU case we run a virtual
# framebuffer (Xvfb) so the GL context initialises. The container is launched
# --privileged by mam-api (same as capture) so DeckLink / NDI hardware is
# reachable when present.
#
# NDI + DeckLink SDKs are NOT redistributable. They are fetched at build time
# from URLs supplied as build args (mirror them into your own artifact store);
# the build still succeeds without them (NDI/DeckLink consumers simply won't be
# available — SRT/RTMP/test output still work).
# CasparCG 2.5.0 ships Linux builds as Ubuntu .deb packages (noble = 24.04), not
# a portable tarball, so the base is ubuntu:24.04 and Node is added on top. The
# server deb pulls its own GL/ffmpeg/openal runtime deps via apt; we add Xvfb +
# mesa SW-GL drivers for the headless GL context.
FROM ubuntu:24.04
ARG CASPAR_VERSION=2.5.0-stable
# Server + matching CEF deb (HTML template renderer the server depends on). The
# %2B in the CEF filename is the URL-encoded '+' from the upstream asset name.
ARG CASPAR_SERVER_DEB_URL=https://github.com/CasparCG/server/releases/download/v2.5.0-stable/casparcg-server-2.5_2.5.0.stable-noble1_amd64.deb
ARG CASPAR_CEF_DEB_URL=https://github.com/CasparCG/server/releases/download/v2.5.0-stable/casparcg-cef-142_142.0.17.g60aac24%2B2-noble1_amd64.deb
ARG NDI_SDK_URL=
ENV DEBIAN_FRONTEND=noninteractive
# Base tools + Node 20 (nodesource) + Xvfb for headless GL + mesa SW renderer.
RUN apt-get update && apt-get install -y --no-install-recommends \
ca-certificates curl gnupg tar xz-utils \
xvfb libgl1-mesa-dri libglu1-mesa fonts-dejavu-core \
&& mkdir -p /etc/apt/keyrings \
&& curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key \
| gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg \
&& echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_20.x nodistro main" \
> /etc/apt/sources.list.d/nodesource.list \
&& apt-get update && apt-get install -y --no-install-recommends nodejs \
&& rm -rf /var/lib/apt/lists/*
# ── CasparCG Server 2.5.0 (via .deb) ─────────────────────────────────────────
# apt resolves the server's runtime deps (GL, ffmpeg, openal, sndfile, …). The
# deb's install dir is discovered from its file list and symlinked to
# /opt/casparcg so the entrypoint + config (which run from that dir) stay valid.
WORKDIR /tmp/caspar
RUN set -eux; \
curl -fsSL "$CASPAR_CEF_DEB_URL" -o cef.deb; \
curl -fsSL "$CASPAR_SERVER_DEB_URL" -o server.deb; \
apt-get update; \
apt-get install -y --no-install-recommends ./cef.deb ./server.deb; \
PKG=$(dpkg-deb -f server.deb Package); \
echo "casparcg server package: $PKG"; \
dpkg -L "$PKG"; \
BIN=$(dpkg -L "$PKG" | while read -r f; do \
[ -x "$f" ] || continue; \
case "$f" in */casparcg|*/CasparCG\ Server) echo "$f";; esac; \
done | head -1); \
test -n "$BIN"; \
DIR=$(dirname "$BIN"); \
echo "casparcg binary=$BIN dir=$DIR"; \
if [ "$DIR" != "/opt/casparcg" ]; then rm -rf /opt/casparcg; ln -sfn "$DIR" /opt/casparcg; fi; \
test -x "/opt/casparcg/$(basename "$BIN")"; \
cd /; rm -rf /tmp/caspar /var/lib/apt/lists/*
# ── NDI runtime (optional) ───────────────────────────────────────────────────
# If an NDI SDK tarball URL is provided, extract its libs to /opt/ndi-lib and
# point CasparCG at them via NDI_RUNTIME_DIR_V6. Pin the SDK version to what the
# server expects (the common docker failure is a libndi .so version mismatch).
RUN if [ -n "$NDI_SDK_URL" ]; then \
mkdir -p /opt/ndi-lib && \
curl -fsSL "$NDI_SDK_URL" -o /tmp/ndi.tar.gz && \
tar xzf /tmp/ndi.tar.gz -C /tmp && \
find /tmp -name 'libndi*.so*' -exec cp -a {} /opt/ndi-lib/ \; && \
rm -f /tmp/ndi.tar.gz && ldconfig /opt/ndi-lib || true; \
fi
ENV NDI_RUNTIME_DIR_V6=/opt/ndi-lib
# CasparCG media folder — mam-api stages assets from S3 into this volume.
RUN mkdir -p /media
# ── Node control shim ────────────────────────────────────────────────────────
WORKDIR /app
COPY package*.json ./
RUN npm install --omit=dev
COPY . .
# CasparCG config + entrypoint
COPY casparcg.config /opt/casparcg/casparcg.config
COPY entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh
EXPOSE 3002 5250
ENTRYPOINT ["/entrypoint.sh"]