diff --git a/seeder-api/.env.example b/seeder-api/.env.example
new file mode 100644
index 0000000..12951a1
--- /dev/null
+++ b/seeder-api/.env.example
@@ -0,0 +1,2 @@
+PORT=8080
+DATABASE_URL=postgres://user:password@localhost:5432/saveinmed?sslmode=disable
diff --git a/seeder-api/Dockerfile b/seeder-api/Dockerfile
new file mode 100644
index 0000000..a06c5e5
--- /dev/null
+++ b/seeder-api/Dockerfile
@@ -0,0 +1,24 @@
+# syntax=docker/dockerfile:1.7
+FROM golang:1.22-alpine AS builder
+
+WORKDIR /app
+
+RUN apk add --no-cache ca-certificates
+
+COPY go.mod go.sum ./
+RUN go mod download
+
+COPY . .
+
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 \
+    go build -trimpath -ldflags="-s -w" -o seeder-api ./main.go
+
+FROM gcr.io/distroless/static-debian12:nonroot
+
+WORKDIR /app
+COPY --from=builder /app/seeder-api /app/seeder-api
+
+USER nonroot:nonroot
+EXPOSE 8080
+
+ENTRYPOINT ["/app/seeder-api"]
diff --git a/seeder-api/README.md b/seeder-api/README.md
index 1790e58..fe54738 100644
--- a/seeder-api/README.md
+++ b/seeder-api/README.md
@@ -47,7 +47,7 @@ Use este modo para desenvolvimento diário. Ele cria as seguintes credenciais de
 - Go 1.22+
 
 ### 1. Configurar
-Certifique-se que o `.env` ou variáveis de ambiente estão corretas:
+Use o arquivo `.env.example` como base e configure as variáveis:
 
 ```bash
 export DATABASE_URL=postgres://user:password@localhost:5432/saveinmed?sslmode=disable
@@ -73,6 +73,26 @@ _Saída esperada:_
 curl -X POST "http://localhost:8216/seed"
 ```
 
+## 📜 Swagger/OpenAPI
+O documento OpenAPI está disponível em:
+
+```bash
+curl http://localhost:8216/swagger.json
+```
+
+## 🐳 Docker (imagem otimizada)
+Build:
+
+```bash
+docker build -t saveinmed-seeder-api .
+```
+
+Run:
+
+```bash
+docker run --rm -p 8216:8080 --env-file .env saveinmed-seeder-api
+```
+
 ## ⚡ Fluxo Recomendado de Trabalho
 1. Pare o backend principal (`backend-go`) para liberar conexões com o banco.
 2. Rode o seeder: `go run main.go` em um terminal.
diff --git a/seeder-api/docs/openapi.json b/seeder-api/docs/openapi.json
new file mode 100644
index 0000000..a159402
--- /dev/null
+++ b/seeder-api/docs/openapi.json
@@ -0,0 +1,78 @@
+{
+  "openapi": "3.0.3",
+  "info": {
+    "title": "SaveInMed Seeder API",
+    "version": "1.0.0",
+    "description": "API utilitária para popular o banco de dados com dados de teste."
+  },
+  "servers": [
+    {
+      "url": "http://localhost:8080",
+      "description": "Ambiente local"
+    }
+  ],
+  "paths": {
+    "/seed": {
+      "post": {
+        "summary": "Executa o seed do banco",
+        "description": "Limpa e recria as tabelas, gerando dados de teste.",
+        "parameters": [
+          {
+            "name": "mode",
+            "in": "query",
+            "required": false,
+            "description": "Modo de seed: `lean` para dados de dev ou `full` para carga.",
+            "schema": {
+              "type": "string",
+              "enum": ["lean", "full"],
+              "default": "full"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "Seed executado com sucesso",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "type": "string"
+                },
+                "examples": {
+                  "lean": {
+                    "value": "Lean seed completed. 4 Pharmacies. Users: 13. Pass: 123456 (admin: admin123)"
+                  }
+                }
+              }
+            }
+          },
+          "405": {
+            "description": "Método não permitido"
+          },
+          "500": {
+            "description": "Erro ao executar o seed"
+          }
+        }
+      }
+    },
+    "/swagger.json": {
+      "get": {
+        "summary": "Retorna o Swagger/OpenAPI da Seeder API",
+        "responses": {
+          "200": {
+            "description": "Documento OpenAPI",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "type": "object"
+                }
+              }
+            }
+          },
+          "405": {
+            "description": "Método não permitido"
+          }
+        }
+      }
+    }
+  }
+}
diff --git a/seeder-api/main.go b/seeder-api/main.go
index 666c394..84e7420 100644
--- a/seeder-api/main.go
+++ b/seeder-api/main.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	_ "embed"
 	"log"
 	"net/http"
 	"os"
@@ -9,6 +10,9 @@ import (
 	"github.com/saveinmed/seeder-api/pkg/seeder"
 )
 
+//go:embed docs/openapi.json
+var swaggerJSON string
+
 func main() {
 	godotenv.Load()
 	port := os.Getenv("PORT")
@@ -40,6 +44,16 @@ func main() {
 		w.Write([]byte(result))
 	})
 
+	http.HandleFunc("/swagger.json", func(w http.ResponseWriter, r *http.Request) {
+		if r.Method != http.MethodGet {
+			http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
+			return
+		}
+
+		w.Header().Set("Content-Type", "application/json")
+		w.Write([]byte(swaggerJSON))
+	})
+
 	log.Printf("Seeder API listening on port %s", port)
 	if err := http.ListenAndServe(":"+port, nil); err != nil {
 		log.Fatalf("Server error: %v", err)