Open source

Apply Docker security best practices

Recipe IDorg.openrewrite.docker.DockerSecurityBestPracticesArtifactorg.openrewrite:rewrite-docker

Apply security-focused Docker best practices to Dockerfiles. This includes running as a non-root user (CIS 4.1) and using COPY instead of ADD where appropriate (CIS 4.9).

Composite recipesecuritydockerApache 2.0

Add to your build

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~/.gradle/gradle.properties

codeGenomeUsername=you@example.com
codeGenomeToken=YOUR_DOWNLOAD_TOKEN

build.gradle.kts

plugins {
    id("org.openrewrite.rewrite") version("latest.release")
}

rewrite {
    activeRecipe("org.openrewrite.docker.DockerSecurityBestPractices")
}

repositories {
    mavenCentral()
    maven {
        url = uri("https://artifacts.codegenomeproject.org/maven")
        credentials {
            username = providers.gradleProperty("codeGenomeUsername").get()
            password = providers.gradleProperty("codeGenomeToken").get()
        }
    }
}

dependencies {
    rewrite("org.openrewrite:rewrite-docker:8.92.8")
}

Then run

./gradlew rewriteRun

Usage

This recipe has no required configuration options. You’ll need the Moderne CLI configured before running the command below.

mod run . --recipe org.openrewrite.docker.DockerSecurityBestPractices

If the recipe isn’t available locally, install it with:

mod config recipes jar install org.openrewrite:rewrite-docker:RELEASE

Definition

This recipe runs the following recipes in order.

Add USER instruction appuserorg.openrewrite.docker.AddUserInstruction
Replace ADD with COPYorg.openrewrite.docker.ReplaceAddWithCopy
Find containers running as rootorg.openrewrite.docker.search.FindRootUser
Find unpinned base imagesorg.openrewrite.docker.search.FindUnpinnedBaseImages
Find end-of-life Docker base imagesorg.openrewrite.docker.search.FindEndOfLifeImages
Find missing HEALTHCHECKorg.openrewrite.docker.search.FindMissingHealthcheck

Data tables

Structured output this recipe can produce.

End-of-life Docker imagesRecords Docker base images that have reached end-of-life.org.openrewrite.docker.table.EolDockerImages
Source files that had resultsSource files that were modified by the recipe run.org.openrewrite.table.SourcesFileResults
Source files that had search resultsSearch results that were found during the recipe run.org.openrewrite.table.SearchResults
Source files that errored on a recipeThe details of all errors produced by a recipe run.org.openrewrite.table.SourcesFileErrors
Recipe performanceStatistics used in analyzing the performance of recipes.org.openrewrite.table.RecipeRunStats