main.go•1.72 kB
// Copyright 2025 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"context"
"log"
"github.com/firebase/genkit/go/ai"
"github.com/firebase/genkit/go/genkit"
"github.com/firebase/genkit/go/plugins/googlegenai"
"google.golang.org/genai"
)
func main() {
ctx := context.Background()
g := genkit.Init(ctx, genkit.WithPlugins(&googlegenai.VertexAI{}))
genkit.DefineFlow(g, "image-generation", func(ctx context.Context, input string) ([]string, error) {
r, err := genkit.Generate(ctx, g,
ai.WithModelName("vertexai/imagen-3.0-generate-001"),
ai.WithPrompt("Generate an image of %s", input),
ai.WithConfig(&genai.GenerateImagesConfig{
NumberOfImages: 2,
NegativePrompt: "night",
AspectRatio: "9:16",
SafetyFilterLevel: genai.SafetyFilterLevelBlockLowAndAbove,
PersonGeneration: genai.PersonGenerationAllowAll,
Language: genai.ImagePromptLanguageEn,
AddWatermark: true,
OutputMIMEType: "image/jpeg",
}),
)
if err != nil {
log.Fatal(err)
}
var images []string
for _, m := range r.Message.Content {
images = append(images, m.Text)
}
return images, nil
})
<-ctx.Done()
}