dockerfile-parser-rs

The ultimate Rust library for parsing, modifying, and generating Dockerfiles.

Instructions

• ADD
• ARG
• CMD
• COPY
• ENTRYPOINT
• ENV
• EXPOSE
• FROM
• LABEL
• RUN
• SHELL
• USER
• VOLUME
• WORKDIR

Note: In addition to the official supported Dockerfile instructions, this library also supports placeholders for empty lines and comments.

Install

Run the following Cargo command in your project directory:

cargo add dockerfile-parser-rs

Example

use std::path::PathBuf;

use dockerfile_parser_rs::Dockerfile;
use dockerfile_parser_rs::Instruction;

fn main() {
    let mut dockerfile = Dockerfile::from(PathBuf::from("Dockerfile")).unwrap();

    dockerfile.instructions.push(Instruction::User {
        user: String::from("1001"),
        group: None,
    });

    dockerfile.dump().unwrap();
}