Help us shape the future of Go! Take the 2026 Go Developer Survey

Why Go
- Case Studies
  
  Common problems companies solve with Go
- Use Cases
  
  Stories about how and why companies use Go
- Security
  
  How Go can help keep you secure by default
Learn
Docs
- Effective Go
  
  Tips for writing clear, performant, and idiomatic Go code
- Go User Manual
  
  A complete introduction to building software with Go
- Standard library
  
  Reference documentation for Go's standard library
- Release Notes
  
  Learn what's new in each Go release
- API
  
  Reference documentation for the pkg.go.dev API
Packages
Community
- Recorded Talks
  
  Videos from prior events
- Meetups
  
  Meet other local Go developers
- Conferences
  
  Learn and network with Go developers from around the world
- Go blog
  
  The Go project's official blog.
- Go project
  
  Get help and stay informed from Go
- Get connected

fireimg

package module

Go to main page

Versions in this module

v0

v0.1.1

Sep 17, 2026

Changes in this version

+ const MaxConcurrentPuts

v0.1.0

Sep 16, 2026

Changes in this version

+ const DefaultAPIBase

+ const DefaultCDNBase

+ const MaxFilesPerRequest

+ const MaxSizesPerRequest

+ const Version

+ func BuildRawURL(cdnBase, project, imageKey string) string

+ func BuildSrcSet(cdnBase, project, imageKey string, opts SrcSetOptions) string

+ func BuildURL(cdnBase, project, imageKey string, opts Options) string

+ func GuessContentType(filename, headerType string) string

+ func IsURL(src string) bool

+ func RewriteURL(src string, opts Options) string

+ func SanitizeFilename(name string) string

+ func SizesAttr(maxWidth int) string

+ func SrcSetFromURL(src string, opts SrcSetOptions) string

+ type Client struct

+ func New(cfg Config) (*Client, error)

+ func (c *Client) Configured() bool

+ func (c *Client) Delete(ctx context.Context, imageKey string) error

+ func (c *Client) ListImages(ctx context.Context, params ListImagesParams) (*ListImagesResponse, error)

+ func (c *Client) ListProjects(ctx context.Context) ([]Project, error)

+ func (c *Client) Moderate(ctx context.Context, imageKey string) (*ModerationResult, error)

+ func (c *Client) Presign(ctx context.Context, filename, contentType string, sizes []Size) (*PresignResult, error)

+ func (c *Client) PresignMany(ctx context.Context, files []FileSpec, sizes []Size) ([]PresignResult, error)

+ func (c *Client) PublicURL(imageKey string) string

+ func (c *Client) Put(ctx context.Context, uploadURL, contentType string, body io.Reader) error

+ func (c *Client) RawURL(imageKey string) string

+ func (c *Client) SrcSet(imageKey string, opts SrcSetOptions) string

+ func (c *Client) URL(imageKey string, opts Options) string

+ func (c *Client) Upload(ctx context.Context, file Upload) (*UploadResult, error)

+ func (c *Client) UploadMany(ctx context.Context, files []Upload) ([]UploadResult, error)

+ type Config struct

+ APIBase string

+ APIKey string

+ CDNBase string

+ HTTPClient *http.Client

+ Project string

+ type Error struct

+ Message string

+ Op string

+ Status int

+ func (e *Error) Error() string

+ type FileSpec struct

+ ContentType string

+ Filename string

+ type Image struct

+ CacheVersion int

+ ContentType string

+ ImageKey string

+ OriginalSizeBytes int64

+ S3RawKey string

+ UploadedAt string

+ VariationsGeneratedCount int

+ type ListImagesParams struct

+ Folder string

+ Limit int

+ NextToken string

+ type ListImagesResponse struct

+ Folder string

+ Images []Image

+ NextToken string

+ type ModerationLabel struct

+ Confidence float64

+ Name string

+ Parent string

+ type ModerationResult struct

+ Labels []ModerationLabel

+ Moderation string

+ Reason string

+ type Options struct

+ Fill string

+ Fit string

+ Fmt string

+ Format string

+ Height int

+ Pos string

+ Position string

+ Quality string

+ Version int

+ Width int

+ type PresignResult struct

+ ExpiresInSecs int

+ Filename string

+ S3Key string

+ UploadURL string

+ type Project struct

+ CreatedAt string

+ ProjectName string

+ Slug string

+ TeamID string

+ type Size struct

+ Fill string

+ Fit string

+ Fmt string

+ Height int

+ Pos string

+ Quality string

+ Width int

+ func SizesForWidths(widths []int) []Size

+ type SrcSetOptions struct

+ MaxWidth int

+ MinWidth int

+ Options Options

+ SnapStep int

+ Widths []int

+ type Upload struct

+ Body io.Reader

+ Bytes []byte

+ ContentType string

+ Filename string

+ Path string

+ Sizes []Size

+ type UploadResult struct

+ CDNURL string

+ Filename string

+ ImageKey string

+ S3Key string