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README.md
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README.md
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# pict-rs
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_a simple image hosting service_
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## Navigation
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1. [Links](#links)
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2. [Usage](#usage)
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1. [Running](#running)
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1. [Commandline](#commandline)
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2. [Docker](#docker)
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2. [Api](#api)
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3. [Administration](#administration)
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1. [0.3 to 0.4 Migration Guide](#0.3-to-0.4-migration-guide)
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2. [Filesystem to Object Storage Migration](#filesystem-to-Object-Storage-migration)
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4. [Development](#development)
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1. [Nix Development](#nix-development)
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1. [With direnv and nix-direnv](#with-direnv-and-nix-direnv)
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2. [With just Nix](#with-just-nix)
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2. [Docker Development](#docker-development)
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1. [With Arch](#with-arch)
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2. [With Alpine](#with-alpine)
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5. [Contributing](#contributing)
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6. [FAQ](#faq)
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1. [Is pict-rs stateless?](#question-is-pict-rs-stateless)
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2. [Can I use a different database?](#question-can-i-use-a-different-database-with-pict-rs)
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3. [How can I submit changes?](#question-how-can-i-submit-changes)
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4. [I want to configure with $format](#question-i-want-to-configure-it-with-yaml-instead-of-toml)
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5. [How do I donate?](#question-how-do-i-donate-to-pict-rs)
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7. [License](#license)
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## Links
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- Find the code on [gitea](https://git.asonix.dog/asonix/pict-rs)
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- Join the discussion on [matrix](https://matrix.to/#/#pictrs:matrix.asonix.dog?via=matrix.asonix.dog)
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@ -8,6 +34,7 @@ _a simple image hosting service_
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## Usage
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### Running
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#### Commandline
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```
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$ pict-rs -h
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A simple image hosting service
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@ -106,7 +133,7 @@ $ pict-rs run object-storage sled -h
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See [`pict-rs.toml`](https://git.asonix.dog/asonix/pict-rs/src/branch/main/pict-rs.toml) for more
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configuration
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#### Example:
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##### Example:
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Run with the default configuration
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```
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$ ./pict-rs run
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@ -152,24 +179,6 @@ $ sudo docker-compose up -d
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- pict-rs makes use of an imagemagick security policy at
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`/usr/lib/ImageMagick-$VERSION/config-Q16HDRI/policy.xml`
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#### Docker Development
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###### With Arch
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```
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$ cargo build
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$ sudo docker run --rm -it -p 8080:8080 -v "$(pwd):/mnt" archlinux:latest
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# pacman -Syu imagemagick ffmepg perl-image-exiftool
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# cp /mnt/docker/prod/root/usr/lib/ImageMagick-7.1.0/config-Q16HDRI/policy.xml /usr/lib/ImageMagick-7.1.0/config-Q16HDRI/
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# PATH=$PATH:/usr/bin/vendor_perl RUST_LOG=debug /mnt/target/debug/pict-rs run
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```
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###### With Alpine
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```
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$ cross build --target=x86_64-unknown-linux-musl
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$ sudo docker run --rm -it -p 8080:8080 -v "$(pwd):/mnt alpine:3.15
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# apk add imagemagick ffmpeg exiftool
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# cp /mnt/docker/prod/root/usr/lib/ImageMagick-7.1.0/config-Q16HDRI/policy.xml /usr/lib/ImageMagick-7.1.0/config-Q16HDRI/
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# RUST_LOG=debug /mnt/target/x86_64-unknown-linux-musl/debug/pict-rs RUN
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```
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### API
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pict-rs offers the following endpoints:
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- `POST /image` for uploading an image. Uploaded content must be valid multipart/form-data with an
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```
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## 0.3 to 0.4 Migration Guide
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## Administration
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### 0.3 to 0.4 Migration Guide
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pict-rs will automatically migrate from the 0.3 db format to the 0.4 db format on the first launch
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of 0.4. If you are running the provided docker container without any custom configuration, there are
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no additional steps.
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deleted and a new migration will be automatically triggered on the next launch.
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## Filesystem to Object Storage migration
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### Filesystem to Object Storage migration
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After migrating from 0.3 to 0.4, it is possible to migrate to object storage. This can be useful if
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hosting in a cloud environment, since object storage is generally far cheaper than block storage.
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```
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## Development
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pict-rs has a few native dependencies that need to be installed in order for it to run properly.
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Currently these are as follows:
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- imagemagick 7.1.1 (although 7.0 and 7.1.0 may also work)
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- ffmpeg 6 (although 4.4 and 5 may also work)
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- exiftool 12.62 (although 12.50 or newer may also work)
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Additionally, pict-rs requires a protobuf during the compilation step to support tokio-console, a
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runtime debug tool.
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Installing these from your favorite package manager should be sufficient. Below are some fun ways to
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develop and test a pict-rs binary.
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### Nix Development
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I personally use nix for development. The provided [`flake.nix`](./flake.nix) file should be
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sufficient to create a development environment for pict-rs on any linux distribution, provided nix
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is installed.
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#### With direnv and nix-direnv
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With these tools, the pict-rs development environment can be automatically loaded when entering the pict-rs directory
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Setup (only once):
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```
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$ echo 'use flake' > .envrc
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$ direnv allow
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```
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Running:
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```
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$ cargo run -- -c dev.toml run
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```
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#### With just Nix
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```
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$ nix develop
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$ cargo run -- -c dev.toml run
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```
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### Docker Development
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Previously, I have run pict-rs from inside containers that include the correct dependencies. The two
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options listed below are ones I have personally tried.
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#### With Arch
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This option doesn't take much configuration, just compile the binary and run it from inside the container
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```
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$ cargo build
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$ sudo docker run --rm -it -p 8080:8080 -v "$(pwd):/mnt" archlinux:latest
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# pacman -Syu imagemagick ffmepg perl-image-exiftool
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# cp /mnt/docker/prod/root/usr/lib/ImageMagick-7.1.1/config-Q16HDRI/policy.xml /usr/lib/ImageMagick-7.1.1/config-Q16HDRI/
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# PATH=$PATH:/usr/bin/vendor_perl /mnt/target/debug/pict-rs --log-targets debug run
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```
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#### With Alpine
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This option requires `cargo-zigbuild` to be installed. Cargo Zigbuild is a tool that links rust
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binaries with Zig's linker, enabling easy cross-compiles to many targets. Zig has put a lot of
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effort into seamless cross-compiling, and it is nice to be able to take advantage of that work from
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rust.
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```
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$ cargo zigbuild --target=x86_64-unknown-linux-musl
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$ sudo docker run --rm -it -p 8080:8080 -v "$(pwd):/mnt alpine:3.18
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# apk add imagemagick ffmpeg exiftool
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# cp /mnt/docker/prod/root/usr/lib/ImageMagick-7.1.1/config-Q16HDRI/policy.xml /usr/lib/ImageMagick-7.1.1/config-Q16HDRI/
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# /mnt/target/x86_64-unknown-linux-musl/debug/pict-rs --log-targets debug run
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```
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## Contributing
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Feel free to open issues for anything you find an issue with. Please note that any contributed code will be licensed under the AGPLv3.
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## FAQ
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### Question: Is pict-rs stateless
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Answer: No. pict-rs relies on an embedded key-value store called `sled` to store metadata about
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