egutierrez
1d45f232c6
Funciones impuras para gestión de contenedores: docker_build_image, docker_compose_up/down, docker_volume_create/list/remove, generate_dockerfile, write_dockerfile, go_build_binary, health_check_http, deploy_app y stop_app. Todas con tests unitarios donde aplica. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
39 lines
1.3 KiB
Markdown
39 lines
1.3 KiB
Markdown
---
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name: docker_build_image
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kind: function
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lang: go
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domain: infra
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version: "1.0.0"
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purity: impure
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signature: "func DockerBuildImage(contextDir, tag string, buildArgs map[string]string) (string, error)"
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description: "Construye una imagen Docker desde un directorio con Dockerfile. Soporta build args opcionales. Retorna el image ID de la imagen construida."
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tags: [docker, image, build, infra]
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uses_functions: []
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uses_types: []
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returns: []
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returns_optional: false
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error_type: "error_go_core"
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imports: [fmt, os/exec, strings]
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tested: true
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tests: ["build sin build args retorna image ID", "build con build args incluye --build-arg", "error si contextDir no existe"]
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test_file_path: "functions/infra/docker_build_image_test.go"
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file_path: "functions/infra/docker_build_image.go"
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---
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## Ejemplo
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```go
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imageID, err := DockerBuildImage("./myapp", "myapp:latest", map[string]string{
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"VERSION": "1.2.3",
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"ENV": "production",
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})
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if err != nil {
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log.Fatal(err)
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}
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fmt.Println("Built:", imageID)
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```
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## Notas
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Ejecuta `docker build -t tag contextDir --build-arg key=val ...`. Parsea el image ID del output de docker build, compatible con el builder clasico (mensajes "Successfully built") y BuildKit (sha256). Si no puede parsear el ID del output, hace un `docker inspect` por tag como fallback.
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