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docker: add DI_PREPARTY and modding docs

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2026-02-14 19:26:21 +00:00
parent cd927e7837
commit bf01ca4891
8 changed files with 107 additions and 9 deletions
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2
scripts/docker/Dockerfile.ac
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@@ -19,4 +19,4 @@ RUN ash innvikler.sh ac
WORKDIR /state
EXPOSE 3923
ENTRYPOINT ["python3", "-m", "copyparty", "-c", "/z/initcfg"]
ENTRYPOINT ["/bin/ash", "/z/cpp.sh", "-c", "/z/initcfg"]

6
scripts/docker/Dockerfile.dj
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@@ -20,13 +20,13 @@ RUN apk add -U !pyc \
vips-jxl vips-heif vips-poppler vips-magick \
py3-numpy fftw libsndfile \
vamp-sdk vamp-sdk-libs keyfinder-cli \
libraw py3-numpy cython \
libraw py3-numpy \
&& apk add -t .bd \
bash wget gcc g++ make cmake patchelf \
python3-dev ffmpeg-dev fftw-dev libsndfile-dev \
py3-wheel py3-numpy-dev libffi-dev \
vamp-sdk-dev \
libraw-dev py3-numpy-dev \
libraw-dev py3-numpy-dev cython \
&& rm -f /usr/lib/python3*/EXTERNALLY-MANAGED \
&& python3 -m pip install pyvips \
&& python3 -m pip install "$(wget -O- https://api.github.com/repos/letmaik/rawpy/releases/latest | awk -F\" '$2=="tarball_url"{print$4}')" \
@@ -41,4 +41,4 @@ RUN ash innvikler.sh dj
WORKDIR /state
EXPOSE 3923
ENTRYPOINT ["python3", "-m", "copyparty", "-c", "/z/initcfg"]
ENTRYPOINT ["/bin/ash", "/z/cpp.sh", "-c", "/z/initcfg"]

2
scripts/docker/Dockerfile.im
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@@ -18,4 +18,4 @@ RUN ash innvikler.sh im
WORKDIR /state
EXPOSE 3923
ENTRYPOINT ["python3", "-m", "copyparty", "-c", "/z/initcfg"]
ENTRYPOINT ["/bin/ash", "/z/cpp.sh", "-c", "/z/initcfg"]

6
scripts/docker/Dockerfile.iv
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@@ -15,11 +15,11 @@ RUN apk add -U !pyc \
ffmpeg \
py3-magic \
vips-jxl vips-heif vips-poppler vips-magick \
libraw py3-numpy cython \
libraw py3-numpy \
&& apk add -t .bd \
bash wget gcc g++ make cmake patchelf \
python3-dev py3-wheel libffi-dev \
libraw-dev py3-numpy-dev \
libraw-dev py3-numpy-dev cython \
&& rm -f /usr/lib/python3*/EXTERNALLY-MANAGED \
&& python3 -m pip install pyvips \
&& python3 -m pip install "$(wget -O- https://api.github.com/repos/letmaik/rawpy/releases/latest | awk -F\" '$2=="tarball_url"{print$4}')" \
@@ -31,4 +31,4 @@ RUN ash innvikler.sh iv
WORKDIR /state
EXPOSE 3923
ENTRYPOINT ["python3", "-m", "copyparty", "-c", "/z/initcfg"]
ENTRYPOINT ["/bin/ash", "/z/cpp.sh", "-c", "/z/initcfg"]

2
scripts/docker/Dockerfile.min
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@@ -15,4 +15,4 @@ RUN ash innvikler.sh min
WORKDIR /state
EXPOSE 3923
ENTRYPOINT ["python3", "-m", "copyparty", "--no-thumb", "-c", "/z/initcfg"]
ENTRYPOINT ["/bin/ash", "/z/cpp.sh", "--no-thumb", "-c", "/z/initcfg"]

6
scripts/docker/README.md
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@@ -120,6 +120,7 @@ add the following three config entries into the `[global]` section of your `copy
* `ftp: 3921` to enable the service, listening for connections on port 3921
* `ftp-nat: 127.0.0.1` but replace `127.0.0.1` with the actual external IP of your server; the clients will only be able to connect to this IP, even if the server has multiple IPs
* do not add `ftp-nat` if you are running the container with host networking
* `ftp-pr: 12000-12099` to restrict the [passive-mode](http://slacksite.com/other/ftp.html#passive) port selection range; this allows up to 100 simultaneous file transfers
@@ -129,3 +130,8 @@ then finally update your docker config so that the port-range you specified (120
# build the images yourself
basically `./make.sh hclean pull img push` but see [devnotes.md](./devnotes.md)
## adding new packages to the image
in case you wish to make a small modification to the official image, for example [add a python package you need](https://github.com/9001/copyparty/issues/479#issuecomment-3152026483), then you don't *really* need to build the whole image from scratch -- see [modifying an image](./devnotes.md#modifying-an-image) in devnotes

73
scripts/docker/devnotes.md
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@@ -1,5 +1,7 @@
# building the images yourself
if you want to build the image from scratch then you've come to the right place -- however if you only want to make small modifications to the official image then jump down to [modifying an image](#modifying-an-image) or possibly [modding on the fly](#modding-on-the-fly)
```bash
./make.sh hclean pull img push
```
@@ -33,3 +35,74 @@ apk add qemu-openrc qemu-tools qemu-{arm,armeb,aarch64,s390x,ppc64le}
rc-update add qemu-binfmt
service qemu-binfmt start
```
# modifying an image
if you want to make a small change to the official image, for example [install a python package you need](https://github.com/9001/copyparty/issues/479), then the best approach is to build a new image based on the official one. There's a quick summary below, but check the internets if you want a better walkthrough.
**NOTE:** the `min` image is **not** a good idea to modify (brittle from shoehorning); use any of the other variants instead (`im`, `ac`, `iv`, `dj`)
first, create a new folder, and then create a new blank textfile named `Dockerfile` inside that folder:
```bash
mkdir customparty
cd customparty
nano Dockerfile
```
assuming you want to install the python-package "[requests](https://pypi.org/project/requests/)", which in [alpine](https://alpinelinux.org/) is called [py3-requests](https://pkgs.alpinelinux.org/package/edge/main/x86_64/py3-requests), then put the following contents into your `Dockerfile`:
```docker
FROM docker.io/copyparty/ac:latest
RUN apk add --no-cache py3-requests
```
build the new docker-image with the additional package you added:
```bash
docker pull docker.io/copyparty/ac:latest
docker build -t customparty .
```
now you can run the image `localhost/customparty:latest` which is `copyparty/ac:latest` with your changes
**one important thing to remember:** Whenever you want to update your copyparty version, you must rebuild that image by running those two docker commands (`pull` and `build`) in that folder
## modding on the fly
if you are not able to build your own image, then it is also possible to apply *some* changes as the image is starting up, before copyparty itself is launched. This is hacky but mostly-safe if done correctly
**NOTE:** the `min` image is **not** a good idea to modify (brittle from shoehorning); use any of the other variants instead (`im`, `ac`, `iv`, `dj`)
you should have a docker-volume which is mapped to `/cfg` in the container; in that volume, create a shellscript named (for example) `strikk-og-binders.sh` and then ensure that the docker-container is always executed with the environment-variable `DI_PREPARTY` set to `strikk-og-binders.sh`
* if you use docker-compose then see the [LD_PRELOAD](https://github.com/9001/copyparty/blob/hovudstraum/docs/examples/docker/basic-docker-compose/docker-compose.yml) example
**NOTE:** if you are doing this to [install a package you need](https://github.com/9001/copyparty/issues/479), then please make sure you **do not** download the package every time you restart copyparty, because that would result in excessive strain on Alpine's poor servers. You should cache the package locally. Here's an example `strikk-og-binders.sh` with caching, using [exiftool](https://pkgs.alpinelinux.org/package/edge/community/x86_64/exiftool) and [py3-requests](https://pkgs.alpinelinux.org/package/edge/main/x86_64/py3-requests) as the example packages to install
```bash
set -e # if something below goes wrong, then panic and crash
#set -x # uncomment this to debug (enable command-logging)
# packages to install
pkgs="exiftool py3-requests"
# if the docker-image is newer than the cache, then delete the cache
[ /z/initcfg -nt /cfg/apks/t ] && rm -rf /cfg/apks
# if the cache has the wrong packages, then delete the cache
grep -qF "$pkgs" /cfg/apks/t || rm -rf /cfg/apks
# if there is a cache, then just install those packages (remove -q to debug)
[ -e /cfg/apks ] && exec apk add -q --progress=no /cfg/apks/*.apk
# there is no cache; need to download+cache+install
mkdir /cfg/apks
apk add --cache-predownload --cache-dir /cfg/apks --progress=no $pkgs
echo "$pkgs" >/cfg/apks/t
touch -r /z/initcfg /cfg/apks/t
```
security-wise this is safe because apk-files are signed and thus tamper-proof

19
scripts/docker/innvikler.sh
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@@ -38,6 +38,25 @@ cat >initcfg <<'EOF'
% /cfg
EOF
# the bootstrap
cat >cpp.sh <<'EOF'
#!/bin/ash
set -e
[ "$DI_PREPARTY" ] && {
p="$DI_PREPARTY"
[ "$p" = "${p##*/}" ] || {
echo "ERROR: DI_PREPARTY must be filename only"
exit 1
}
echo "running DI_PREPARTY (/cfg/$p)"
/bin/ash "/cfg/$p" || { e=$?
echo "ERROR: DI_PREPARTY returned error $e"
exit $e
}
}
exec /usr/bin/python3 -m copyparty "$@"
EOF
# unpack sfx and dive in
python3 copyparty-sfx.py --version
cd /tmp/pe-copyparty.0