diff --git a/.github/workflows/fmt.yml b/.github/workflows/fmt.yml
new file mode 100644
index 0000000..31426ff
--- /dev/null
+++ b/.github/workflows/fmt.yml
@@ -0,0 +1,19 @@
+name: 📋 Format
+
+on:
+  push
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: ⬇️ Git clone the repository
+        uses: actions/checkout@v3
+
+      - name: 📦 Install Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: '1.21'
+
+      - name: 📋 Gofmt
+        run: go fmt ./...
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
new file mode 100644
index 0000000..cb97a08
--- /dev/null
+++ b/.github/workflows/lint.yml
@@ -0,0 +1,22 @@
+name: Lint
+
+on:
+  push
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: ⬇️ Git clone the repository
+        uses: actions/checkout@v3
+
+      - name: 📦 Install Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: '1.21'
+
+      - name: Lint
+        uses: golangci/golangci-lint-action@v3
+        with:
+          args: --timeout=5m
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
new file mode 100644
index 0000000..83998e8
--- /dev/null
+++ b/.github/workflows/publish.yml
@@ -0,0 +1,42 @@
+name: Create and Publish a Docker Image
+
+on:
+  push:
+    branches: ['main']
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: ⬇️ Git clone the repository
+        uses: actions/checkout@v3
+
+      - name: 🔐 Log in to the Container registry
+        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: 📋 Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      - name: ☁️ Build and push Docker image
+        uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..ddcbdac
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,20 @@
+name: Test
+
+on:
+  push
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: ⬇️ Git clone the repository
+        uses: actions/checkout@v3
+
+      - name: 📦 Install Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: '1.21'
+
+      - name: 📋 Lint
+        run: go test ./...
diff --git a/.github/workflows/vet.yml b/.github/workflows/vet.yml
new file mode 100644
index 0000000..dae51c7
--- /dev/null
+++ b/.github/workflows/vet.yml
@@ -0,0 +1,19 @@
+name: 📋 Vet
+
+on:
+  push
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: ⬇️ Git clone the repository
+        uses: actions/checkout@v3
+
+      - name: 📦 Install Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: '1.21'
+
+      - name: 📋 Vet
+        run: go vet ./...
diff --git a/internal/aws/federation/federation.go b/internal/aws/federation/federation.go
index 4358f41..2d30e3e 100644
--- a/internal/aws/federation/federation.go
+++ b/internal/aws/federation/federation.go
@@ -3,7 +3,8 @@ package federation
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
+	"log"
 	"net/http"
 	"net/url"
 	"strconv"
@@ -40,9 +41,14 @@ func GetSignInLink(credentials aws.Credentials, issuer, dashboardURL string, dur
 	if err != nil {
 		return "", fmt.Errorf("failed getting federation URL: %w", err)
 	}
-	defer response.Body.Close()
+	defer func() {
+		err := response.Body.Close()
+		if err != nil {
+			log.Print(err)
+		}
+	}()
 
-	bodyBytes, err := ioutil.ReadAll(response.Body)
+	bodyBytes, err := io.ReadAll(response.Body)
 	if err != nil {
 		return "", fmt.Errorf("failed reading response body: %w", err)
 	}
diff --git a/internal/server/callback.go b/internal/server/callback.go
index 55d5c3f..096b8e0 100644
--- a/internal/server/callback.go
+++ b/internal/server/callback.go
@@ -64,6 +64,10 @@ func (s *DashboardServer) Callback(c *gin.Context) {
 		IdentityPool:     s.config.IdentityPool,
 		IdentityProvider: s.config.IdentityProvider,
 	})
+	if err != nil {
+		c.String(http.StatusInternalServerError, err.Error())
+		return
+	}
 
 	dashboardURL := cloudwatchdashboard.GetURI(s.config.Region, dashboardName)