A good Docker setup for a 4K 60fps YouTube Live playlist is a long-running FFmpeg container that reads a prepared playlist, encodes it using a codec your host can sustain in real time, and sends it to YouTube over RTMPS. There is no universally best Compose file: your operating system, GPU and drivers, FFmpeg build, media formats, upload stability, and transition requirements all affect the right configuration. The example below is a starting point for compatible local files—not a tested, gapless, production guarantee.
Choose the output settings before building the container
YouTube’s current encoder guidance, accessed 2026-10-03, lists 2160p (4K) at up to 60 fps. Its published 4K60 recommendations depend on the output codec:
| Output codec | YouTube minimum bitrate | YouTube recommended bitrate | Practical consideration |
|---|---|---|---|
| H.264 | 14 Mbps | 50 Mbps | Common FFmpeg choice; confirm the selected software or hardware encoder is available in your container. |
| H.265 / HEVC | 10 Mbps | 35 Mbps | YouTube lists this for 4K60; confirm both your FFmpeg encoder and YouTube’s current ingest support. |
| AV1 | 10 Mbps | 35 Mbps | YouTube lists this for 4K60; confirm the encoder, GPU or CPU capability, and FFmpeg build support. |
These are YouTube’s published encoder targets, not a measurement of your connection or hardware. The sample below uses H.264 at 50 Mbps. Choose another codec and its corresponding bitrate only after verifying that YouTube accepts it and your FFmpeg build and hardware can encode it. YouTube also specifies constant bitrate (CBR), recommends a 2-second keyframe interval, and says not to exceed 4 seconds. It accepts RTMP/RTMPS and recommends RTMPS; its encoder guidance says RTMPS encrypts delivery to Google’s servers. See YouTube’s live encoder settings and the YouTube Live Streaming API ingestion reference.
Allow for audio and network variation
A 50 Mbps video target is not the entire uplink requirement: audio adds to the outgoing stream, and a continuous stream needs stable upload capacity above the combined bitrate. YouTube’s bitrate target does not establish a universal headroom figure. Test the actual wired or hosting connection under realistic conditions; a link that only briefly reaches the target is not a dependable basis for a 24/7 stream.
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Check the host and FFmpeg image first
- Pick a platform. Establish the host OS, Docker Engine and Compose versions, and whether you can configure the required GPU drivers and container runtime. Docker’s GPU instructions describe prerequisites; Docker does not install the host driver or make GPU access identical on every platform.
- Verify the media. Check that playlist items have compatible stream layouts and codecs. The example assumes one video stream and one audio stream per file, compatible inputs, and a 60fps SDR output. Mixed formats, missing audio, HDR, or incompatible stream layouts need a separately designed and tested command.
- Verify the actual binary. Select an image whose FFmpeg build contains the needed input demuxer, encoder, FLV muxer, and RTMPS protocol support. Inside the image, inspect
ffmpeg -version,ffmpeg -protocols, and the relevant encoder help, such asffmpeg -h encoder=h264_nvenc. FFmpeg options and available encoders vary by build. Its references cover command-line media processing and protocols including RTMPS. - Decide whether to encode on GPU. GPU encoding can reduce CPU encoding work, but it requires compatible hardware, host drivers, container runtime access, and an FFmpeg build with that encoder. NVIDIA documents
h264_nvenc,hevc_nvenc, andav1_nvencintegrations; availability is not guaranteed just because the host has an NVIDIA GPU. See NVIDIA’s FFmpeg hardware-acceleration guidance.
Prepare the playlist and protect the stream key
For this starter configuration, put compatible media files and a concat-demuxer list in a host directory called media. The playlist file is plain text, with one entry per file:
file 'part-01.mp4'
file 'part-02.mp4'
file 'part-03.mp4'Keep the list and files in the same mounted directory. The sample uses -safe 0 so the list can refer to paths that the concat demuxer otherwise treats as unsafe; use only a list you control. Prefer simple filenames without quotes or line breaks. This arrangement does not promise gapless transitions: input timestamps, differing stream parameters, and end-of-file behavior can create discontinuities. Test the exact playlist and inspect transitions before leaving it unattended.
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Copy the RTMPS ingest address and stream key from YouTube Studio, and keep them private. The Compose configuration below expects YOUTUBE_RTMPS_URL to contain the full ingest URL, including the key, and FFMPEG_IMAGE to name the verified image you selected. Store those values in a local .env file beside the Compose file, restrict access to it, and do not commit it or publish rendered Compose output. Because the URL is passed to FFmpeg as an argument, a host administrator may be able to see it in process or container inspection; use a secret-aware wrapper if your deployment requires stronger protection.
Start with a GPU-enabled Compose service
This example assumes a Linux Docker host with working NVIDIA Container Toolkit configuration, one compatible NVIDIA GPU, a verified FFmpeg image whose executable is named ffmpeg, and the media layout above. It is a starting point; test it against your specific image and host.
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services:
playlist:
image: ${FFMPEG_IMAGE:?Set FFMPEG_IMAGE to a verified FFmpeg image}
entrypoint: ["ffmpeg"]
restart: unless-stopped
volumes:
- ./media:/media:ro
environment:
YOUTUBE_RTMPS_URL: ${YOUTUBE_RTMPS_URL:?Set YOUTUBE_RTMPS_URL from YouTube Studio}
command:
- -re
- -stream_loop
- "-1"
- -f
- concat
- -safe
- "0"
- -i
- /media/playlist.txt
- -map
- 0:v:0
- -map
- 0:a:0?
- -r
- "60"
- -c:v
- h264_nvenc
- -rc
- cbr
- -b:v
- 50M
- -maxrate
- 50M
- -bufsize
- 100M
- -g
- "120"
- -c:a
- aac
- -b:a
- 192k
- -ar
- "48000"
- -f
- flv
- ${YOUTUBE_RTMPS_URL:?Set YOUTUBE_RTMPS_URL from YouTube Studio}
deploy:
resources:
reservations:
devices:
- driver: nvidia
count: 1
capabilities: [gpu]The 120-frame GOP corresponds to YouTube’s recommended 2-second keyframe interval at the configured 60 fps. The command asks for a 60fps output; it does not make lower-frame-rate source material native 60fps. The optional audio map allows FFmpeg to start if no audio stream is present, but a YouTube stream without sound may not suit your channel. Remove the question mark and require an audio stream if that is your intended behavior. Verify the selected encoder accepts these options in your image before deployment.
Compose GPU reservations require capabilities: [gpu]; use either count or device_ids, not both. See Docker Compose GPU access and Docker’s GPU access prerequisites. NVIDIA’s broader FFmpeg integration overview describes its Video Codec SDK integration.
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CPU-only alternative
If you do not have a supported GPU, remove the deploy.resources.reservations.devices section and replace h264_nvenc with an available H.264 software encoder, commonly libx264. Then verify the chosen encoder’s CBR behavior and whether the host can sustain 4K60 encoding in real time. No universal CPU threshold is established here; workload, settings, and hardware matter. If the encode falls behind, GPU access alone is not a fix unless the container can see a compatible device and encoder.
Bring it live and decide who owns recovery
- Check YouTube first. In YouTube Studio, create or open the intended live stream and obtain its RTMPS ingest URL and stream key. Confirm the stream’s title, visibility, and any channel eligibility or live-stream restrictions in Studio before connecting.
- Validate the container. Start with a short controlled run and inspect logs for missing encoders, unsupported options, unreadable media, or RTMPS connection errors. Confirm the output is 3840Ă—2160 at 60fps and that the selected codec and bitrate match the intended YouTube settings.
- Start Compose. Run
docker compose up -d, then follow the service logs withdocker compose logs -f playlist. Check YouTube’s live preview before relying on the broadcast. - Test interruption behavior. Observe what happens at playlist end, during a network interruption, after an FFmpeg exit, and after a host restart. The Compose
restart: unless-stoppedpolicy restarts an exited container under Docker’s restart-policy behavior; it does not establish that FFmpeg will resume the right playlist position or recover every YouTube disconnect. Build and test the recovery behavior you actually require. - Monitor the service. Keep logs accessible and monitor process health, host resources, network connectivity, and YouTube’s stream status. Assign a person or system to respond to failures; neither a looping input nor a restart policy is a complete monitoring plan.
Rights and channel-policy checks
Only stream material you have the rights to broadcast, including music, footage, and any included performances. Replaying prerecorded material as a live stream does not make it exempt from copyright claims or YouTube’s channel policies. Review YouTube’s current rules for copyright, monetization, and reused or repetitive content; compliance and monetization outcomes depend on the content and channel, and are not guaranteed by this setup.
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Troubleshoot the failures most likely to stop a 4K60 playlist
| Symptom | Likely cause | What to check or change |
|---|---|---|
| FFmpeg reports an unknown encoder or option | The image lacks the encoder or uses a different FFmpeg build. | Inspect ffmpeg -version and ffmpeg -h encoder=...; use an encoder and options supported by that image. |
| GPU reservation fails or NVENC is unavailable | Host drivers, NVIDIA Container Toolkit, Compose configuration, GPU compatibility, or image support is missing. | Check Docker’s host prerequisites and device reservation; verify visibility and the encoder inside the container. For NVIDIA, review Docker’s GPU instructions and Compose GPU guidance. |
| YouTube shows an ingest or connection error | Incorrect or expired stream key, wrong ingest URL, blocked egress, or missing RTMPS protocol support. | Recheck the URL and key in YouTube Studio, verify RTMPS support in the image, and confirm outbound connectivity. Do not paste a live key into a public issue or log. |
| Playback is choppy or falls behind | The encoder cannot maintain real time, source files are difficult to decode, or the uplink is unstable. | Inspect FFmpeg logs and host utilization; test the media separately, reduce unnecessary processing, or use a compatible hardware encoder. Check sustained upload capacity against video plus audio bitrate. |
| Playlist stops or has a visible gap at a transition | File incompatibility, timestamps, end-of-file behavior, or loop handling. | Confirm list paths and input compatibility; test the same playlist repeatedly and inspect stream continuity. Do not assume looping makes transitions seamless. |
| Stream is not 4K60 despite the command | The source is lower resolution or frame rate, YouTube is still processing the preview, or output settings differ from expectations. | Check source media properties, FFmpeg output logs, and YouTube’s stream health and preview. A 60fps output setting cannot restore detail absent from the source. |
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