Introduced a shared HTTP client with optimized settings

internal/claude/claude.go

@@ -7,6 +7,7 @@ import (
 	"fmt"
 	"net/http"
 
+	httpClient "github.com/dfanso/commit-msg/internal/http"
 	"github.com/dfanso/commit-msg/pkg/types"
 )
 
@@ -58,7 +59,7 @@ func GenerateCommitMessage(config *types.Config, changes string, apiKey string,
 	req.Header.Set("x-api-key", apiKey)
 	req.Header.Set("anthropic-version", "2023-06-01")
 
-	client := &http.Client{}
+	client := httpClient.GetClient()
 	resp, err := client.Do(req)
 	if err != nil {
 		return "", err

internal/grok/grok.go

@@ -2,41 +2,15 @@ package grok
 
 import (
 	"bytes"
-	"crypto/tls"
 	"encoding/json"
 	"fmt"
 	"io"
 	"net/http"
-	"sync"
-	"time"
 
+	httpClient "github.com/dfanso/commit-msg/internal/http"
 	"github.com/dfanso/commit-msg/pkg/types"
 )
 
-var (
-	grokClientOnce sync.Once
-	grokClient     *http.Client
-)
-
-func getHTTPClient() *http.Client {
-	grokClientOnce.Do(func() {
-		transport := &http.Transport{
-			TLSHandshakeTimeout: 10 * time.Second,
-			MaxIdleConns:        10,
-			IdleConnTimeout:     30 * time.Second,
-			DisableCompression:  true,
-			TLSClientConfig: &tls.Config{
-				InsecureSkipVerify: false,
-			},
-		}
-		grokClient = &http.Client{
-			Timeout:   30 * time.Second,
-			Transport: transport,
-		}
-	})
-	return grokClient
-}
-
 // GenerateCommitMessage calls X.AI's Grok API to create a commit message from
 // the provided Git diff and generation options.
 func GenerateCommitMessage(config *types.Config, changes string, apiKey string, opts *types.GenerationOptions) (string, error) {
@@ -71,7 +45,7 @@ func GenerateCommitMessage(config *types.Config, changes string, apiKey string,
 	req.Header.Set("Content-Type", "application/json")
 	req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", apiKey))
 
-	client := getHTTPClient()
+	client := httpClient.GetClient()
 	resp, err := client.Do(req)
 	if err != nil {
 		return "", err

internal/groq/groq.go

@@ -7,8 +7,8 @@ import (
 	"io"
 	"net/http"
 	"os"
-	"time"
 
+	httpClient "github.com/dfanso/commit-msg/internal/http"
 	"github.com/dfanso/commit-msg/pkg/types"
 )
 
@@ -38,8 +38,7 @@ const defaultModel = "llama-3.3-70b-versatile"
 
 var (
 	// allow overrides in tests
-	baseURL    = "https://api.groq.com/openai/v1/chat/completions"
-	httpClient = &http.Client{Timeout: 30 * time.Second}
+	baseURL = "https://api.groq.com/openai/v1/chat/completions"
 )
 
 // GenerateCommitMessage calls Groq's OpenAI-compatible chat completions API.
@@ -83,7 +82,7 @@ func GenerateCommitMessage(_ *types.Config, changes string, apiKey string, opts
 	req.Header.Set("Content-Type", "application/json")
 	req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", apiKey))
 
-	resp, err := httpClient.Do(req)
+	resp, err := httpClient.GetClient().Do(req)
 	if err != nil {
 		return "", fmt.Errorf("failed to call Groq API: %w", err)
 	}

internal/http/client.go

@@ -0,0 +1,51 @@
+package http
+
+import (
+	"crypto/tls"
+	"net/http"
+	"sync"
+	"time"
+)
+
+var (
+	clientOnce sync.Once
+	sharedClient *http.Client
+
+	ollamaClientOnce sync.Once
+	ollamaClient *http.Client
+)
+
+// createTransport creates a shared HTTP transport with optimized settings
+func createTransport() *http.Transport {
+	return &http.Transport{
+		TLSHandshakeTimeout: 10 * time.Second,
+		MaxIdleConns:        10,
+		IdleConnTimeout:     30 * time.Second,
+		DisableCompression:  true,
+		TLSClientConfig: &tls.Config{
+			InsecureSkipVerify: false,
+		},
+	}
+}
+
+// GetClient returns a shared HTTP client with optimized settings for cloud APIs
+func GetClient() *http.Client {
+	clientOnce.Do(func() {
+		sharedClient = &http.Client{
+			Timeout:   30 * time.Second,
+			Transport: createTransport(),
+		}
+	})
+	return sharedClient
+}
+
+// GetOllamaClient returns an HTTP client with extended timeout for local Ollama inference
+func GetOllamaClient() *http.Client {
+	ollamaClientOnce.Do(func() {
+		ollamaClient = &http.Client{
+			Timeout:   10 * time.Minute, // 10 minutes for local inference
+			Transport: createTransport(),
+		}
+	})
+	return ollamaClient
+}

internal/ollama/ollama.go

@@ -7,6 +7,7 @@ import (
 	"io"
 	"net/http"
 
+	httpClient "github.com/dfanso/commit-msg/internal/http"
 	"github.com/dfanso/commit-msg/pkg/types"
 )
 
@@ -46,7 +47,13 @@ func GenerateCommitMessage(_ *types.Config, changes string, url string, model st
 		return "", fmt.Errorf("failed to marshal request: %v", err)
 	}
 
-	resp, err := http.Post(url, "application/json", bytes.NewBuffer(body))
+	req, err := http.NewRequest("POST", url, bytes.NewBuffer(body))
+	if err != nil {
+		return "", fmt.Errorf("failed to create request: %v", err)
+	}
+	req.Header.Set("Content-Type", "application/json")
+
+	resp, err := httpClient.GetOllamaClient().Do(req)
 	if err != nil {
 		return "", fmt.Errorf("failed to send request to Ollama: %v", err)
 	}