diff --git a/.drone.yml b/.drone.yml
index db568fa..94b01fe 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -11,10 +11,10 @@ steps:
   pull: always
   image: golang:1.15-alpine
   commands:
-  - apk add --no-cache make git gcc build-base
+  - apk add --no-cache make git gcc build-base curl
   - make clean
   - make vet
-  #- make lint
+  - make lint
   - make test
   - make build
   settings:
diff --git a/cache/cache_test.go b/cache/cache_test.go
index e984da2..6fa963a 100644
--- a/cache/cache_test.go
+++ b/cache/cache_test.go
@@ -19,7 +19,8 @@ func TestCache(t *testing.T) {
 		})
 
 		g.It("Should set and get an item", func() {
-			Set(c, "foo", "bar")
+			err := Set(c, "foo", "bar")
+			g.Assert(err).IsNil()
 			v, e := Get(c, "foo")
 			g.Assert(v).Equal("bar")
 			g.Assert(e == nil).IsTrue()
diff --git a/cache/helper.go b/cache/helper.go
index 0a04f0b..0efe09f 100644
--- a/cache/helper.go
+++ b/cache/helper.go
@@ -26,7 +26,10 @@ func GetRepos(c context.Context, user *model.User) ([]*model.Repo, error) {
 	if err != nil {
 		return nil, err
 	}
-	FromContext(c).Set(key, repos)
+	err = FromContext(c).Set(key, repos)
+	if err != nil {
+		return nil, err
+	}
 	return repos, nil
 }
 
@@ -47,7 +50,12 @@ func GetTeams(c context.Context, user *model.User) ([]*model.Team, error) {
 	if err != nil {
 		return nil, err
 	}
-	FromContext(c).Set(key, teams)
+
+	err = FromContext(c).Set(key, teams)
+	if err != nil {
+		return nil, err
+	}
+
 	return teams, nil
 }
 
@@ -70,7 +78,10 @@ func GetPerm(c context.Context, user *model.User, owner, name string) (*model.Pe
 	if err != nil {
 		return nil, err
 	}
-	FromContext(c).Set(key, perm)
+	err = FromContext(c).Set(key, perm)
+	if err != nil {
+		return nil, err
+	}
 	return perm, nil
 }
 
@@ -90,6 +101,10 @@ func GetMembers(c context.Context, user *model.User, team string) ([]*model.Memb
 	if err != nil {
 		return nil, err
 	}
-	FromContext(c).Set(key, members)
+	err = FromContext(c).Set(key, members)
+	if err != nil {
+		return nil, err
+	}
+
 	return members, nil
 }
diff --git a/cache/helper_test.go b/cache/helper_test.go
index 295d865..f251f0d 100644
--- a/cache/helper_test.go
+++ b/cache/helper_test.go
@@ -7,7 +7,7 @@ import (
 
 	"github.com/go-gitea/lgtm/model"
 	"github.com/go-gitea/lgtm/remote"
-	"github.com/go-gitea/lgtm/remote/mock"
+	mocks "github.com/go-gitea/lgtm/remote/mock"
 
 	"github.com/franela/goblin"
 	"github.com/gin-gonic/gin"
@@ -44,7 +44,8 @@ func TestHelper(t *testing.T) {
 				fakeRepo.Name,
 			)
 
-			Set(c, key, fakePerm)
+			err := Set(c, key, fakePerm)
+			g.Assert(err).IsNil()
 			r.On("GetPerm", c, fakeUser, fakeRepo.Owner, fakeRepo.Name).Return(nil, errFake).Once()
 			p, err := GetPerm(c, fakeUser, fakeRepo.Owner, fakeRepo.Name)
 			g.Assert(p).Equal(fakePerm)
@@ -71,7 +72,8 @@ func TestHelper(t *testing.T) {
 				fakeUser.Login,
 			)
 
-			Set(c, key, fakeRepos)
+			err := Set(c, key, fakeRepos)
+			g.Assert(err).IsNil()
 			r.On("GetRepos", c, fakeUser).Return(nil, errFake).Once()
 			p, err := GetRepos(c, fakeUser)
 			g.Assert(p).Equal(fakeRepos)
@@ -97,7 +99,8 @@ func TestHelper(t *testing.T) {
 				fakeUser.Login,
 			)
 
-			Set(c, key, fakeTeams)
+			err := Set(c, key, fakeTeams)
+			g.Assert(err).IsNil()
 			r.On("GetTeams", c, fakeUser).Return(nil, errFake).Once()
 			p, err := GetTeams(c, fakeUser)
 			g.Assert(p).Equal(fakeTeams)
@@ -121,7 +124,8 @@ func TestHelper(t *testing.T) {
 		g.It("Should get members", func() {
 			key := "members:drone"
 
-			Set(c, key, fakeMembers)
+			err := Set(c, key, fakeMembers)
+			g.Assert(err).IsNil()
 			r.On("GetMembers", c, fakeUser, "drone").Return(nil, errFake).Once()
 			p, err := GetMembers(c, fakeUser, "drone")
 			g.Assert(p).Equal(fakeMembers)
diff --git a/model/config.go b/model/config.go
index 06ed6af..5968178 100644
--- a/model/config.go
+++ b/model/config.go
@@ -47,10 +47,10 @@ func ParseConfigStr(data string) (*Config, error) {
 	if len(c.Team) == 0 {
 		c.Team = *team
 	}
-	if c.SelfApprovalOff == false {
+	if !c.SelfApprovalOff {
 		c.SelfApprovalOff = *selfApprovalOff
 	}
-	if c.IgnoreMaintainersFile == false {
+	if !c.IgnoreMaintainersFile {
 		c.IgnoreMaintainersFile = *ignoreMaintainersFile
 	}
 
diff --git a/model/maintainer.go b/model/maintainer.go
index 340e64d..4ad3ff4 100644
--- a/model/maintainer.go
+++ b/model/maintainer.go
@@ -146,11 +146,11 @@ func parseln(s string) string {
 
 // regular expression determines if a line in the maintainers
 // file only has the single GitHub username and no other metadata.
-var reLogin = regexp.MustCompile("^\\w[\\w-]+$")
+var reLogin = regexp.MustCompile(`^\w[\w-]+$`)
 
 // regular expression determines if a line in the maintainers
 // file has the username and metadata.
-var reLoginMeta = regexp.MustCompile("(.+) <(.+)> \\(@(.+)\\)")
+var reLoginMeta = regexp.MustCompile(`(.+) <(.+)> \(@(.+)\)`)
 
 // regular expression determines if a line in the maintainers
 // file has the username and email.
diff --git a/model/util.go b/model/util.go
index ff27d60..669c98f 100644
--- a/model/util.go
+++ b/model/util.go
@@ -19,7 +19,10 @@ func Rand() string {
 	maxrb := byte(256 - (256 % len(chars)))
 	i := 0
 	for {
-		io.ReadFull(rand.Reader, r)
+		_, err := io.ReadFull(rand.Reader, r)
+		if err != nil {
+			return ""
+		}
 		for _, c := range r {
 			if c >= maxrb {
 				// Skip this number to avoid modulo bias.
diff --git a/remote/github/client.go b/remote/github/client.go
index ef1a7d5..77bafd1 100644
--- a/remote/github/client.go
+++ b/remote/github/client.go
@@ -9,15 +9,11 @@ import (
 	"net/http"
 	"net/url"
 
+	"golang.org/x/net/context"
 	"golang.org/x/oauth2"
 )
 
 const (
-	pathLogin  = "%slogin?access_token=%s"
-	pathUser   = "%sapi/user"
-	pathRepos  = "%sapi/user/repos"
-	pathRepo   = "%sapi/repos/%s"
-	pathConf   = "%sapi/repos/%s/maintainers"
 	pathBranch = "%srepos/%s/%s/branches/%s/protection"
 
 	// protected branch
@@ -39,7 +35,7 @@ func NewClient(uri string) *Client {
 // authenticates all outbound requests with the given token.
 func NewClientToken(uri, token string) *Client {
 	config := new(oauth2.Config)
-	auther := config.Client(oauth2.NoContext, &oauth2.Token{AccessToken: token})
+	auther := config.Client(context.TODO(), &oauth2.Token{AccessToken: token})
 	return &Client{auther, uri}
 }
 
@@ -79,11 +75,6 @@ func (c *Client) get(rawurl string, out interface{}) error {
 	return c.do(rawurl, "GET", nil, out)
 }
 
-// helper function for making an http POST request.
-func (c *Client) post(rawurl string, in, out interface{}) error {
-	return c.do(rawurl, "POST", in, out)
-}
-
 // helper function for making an http PUT request.
 func (c *Client) put(rawurl string, in, out interface{}) error {
 	return c.do(rawurl, "PUT", in, out)
@@ -94,11 +85,6 @@ func (c *Client) patch(rawurl string, in, out interface{}) error {
 	return c.do(rawurl, "PATCH", in, out)
 }
 
-// helper function for making an http DELETE request.
-func (c *Client) delete(rawurl string) error {
-	return c.do(rawurl, "DELETE", nil, nil)
-}
-
 // helper function to make an http request
 func (c *Client) do(rawurl, method string, in, out interface{}) error {
 	// executes the http request and returns the body as
diff --git a/remote/github/github.go b/remote/github/github.go
index fa5bf87..e92b975 100644
--- a/remote/github/github.go
+++ b/remote/github/github.go
@@ -50,7 +50,7 @@ func (g *Github) GetUser(c context.Context, res http.ResponseWriter, req *http.R
 	}
 
 	// exchanges the oauth2 code for an access token
-	token, err := config.Exchange(oauth2.NoContext, code)
+	token, err := config.Exchange(context.TODO(), code)
 	if err != nil {
 		return nil, fmt.Errorf("Error exchanging token. %s", err)
 	}
@@ -226,7 +226,10 @@ func (g *Github) SetHook(c context.Context, user *model.User, repo *model.Repo,
 
 	old, err := GetHook(c, client, repo.Owner, repo.Name, link)
 	if err == nil && old != nil {
-		client.Repositories.DeleteHook(c, repo.Owner, repo.Name, *old.ID)
+		_, err = client.Repositories.DeleteHook(c, repo.Owner, repo.Name, *old.ID)
+		if err != nil {
+			return err
+		}
 	}
 
 	_, err = CreateHook(c, client, repo.Owner, repo.Name, link)
diff --git a/remote/github/utils.go b/remote/github/utils.go
index 632a793..cb4befd 100644
--- a/remote/github/utils.go
+++ b/remote/github/utils.go
@@ -12,7 +12,7 @@ import (
 func setupClient(rawurl, accessToken string) *github.Client {
 	token := oauth2.Token{AccessToken: accessToken}
 	source := oauth2.StaticTokenSource(&token)
-	client := oauth2.NewClient(oauth2.NoContext, source)
+	client := oauth2.NewClient(context.TODO(), source)
 	github := github.NewClient(client)
 	github.BaseURL, _ = url.Parse(rawurl)
 	return github
diff --git a/store/datastore/repos.go b/store/datastore/repos.go
index 90c0b2b..224ec76 100644
--- a/store/datastore/repos.go
+++ b/store/datastore/repos.go
@@ -54,8 +54,8 @@ func toList(items []string) (string, []interface{}) {
 		size = 990
 		items = items[:990]
 	}
-	var qs = make([]string, size, size)
-	var in = make([]interface{}, size, size)
+	var qs = make([]string, size)
+	var in = make([]interface{}, size)
 	for i, item := range items {
 		qs[i] = "?"
 		in[i] = item
diff --git a/store/datastore/repos_test.go b/store/datastore/repos_test.go
index 22f7fdc..e2116b2 100644
--- a/store/datastore/repos_test.go
+++ b/store/datastore/repos_test.go
@@ -18,8 +18,10 @@ func Test_repostore(t *testing.T) {
 		// before each test be sure to purge the package
 		// table data from the database.
 		g.BeforeEach(func() {
-			db.Exec("DELETE FROM repos")
-			db.Exec("DELETE FROM users")
+			_, err := db.Exec("DELETE FROM repos")
+			g.Assert(err).IsNil()
+			_, err = db.Exec("DELETE FROM users")
+			g.Assert(err).IsNil()
 		})
 
 		g.It("Should Set a Repo", func() {
@@ -59,7 +61,8 @@ func Test_repostore(t *testing.T) {
 				Link:    "https://github.com/octocat/hello-world",
 				Private: true,
 			}
-			s.CreateRepo(&repo)
+			err := s.CreateRepo(&repo)
+			g.Assert(err).IsNil()
 			getrepo, err := s.GetRepo(repo.ID)
 			g.Assert(err == nil).IsTrue()
 			g.Assert(repo.ID).Equal(getrepo.ID)
@@ -77,7 +80,8 @@ func Test_repostore(t *testing.T) {
 				Owner:  "bradrydzewski",
 				Name:   "drone",
 			}
-			s.CreateRepo(&repo)
+			err := s.CreateRepo(&repo)
+			g.Assert(err).IsNil()
 			getrepo, err := s.GetRepoSlug(repo.Slug)
 			g.Assert(err == nil).IsTrue()
 			g.Assert(repo.ID).Equal(getrepo.ID)
@@ -105,9 +109,12 @@ func Test_repostore(t *testing.T) {
 				Name:   "hello-world",
 				Slug:   "octocat/hello-world",
 			}
-			s.CreateRepo(repo1)
-			s.CreateRepo(repo2)
-			s.CreateRepo(repo3)
+			err := s.CreateRepo(repo1)
+			g.Assert(err).IsNil()
+			err = s.CreateRepo(repo2)
+			g.Assert(err).IsNil()
+			err = s.CreateRepo(repo3)
+			g.Assert(err).IsNil()
 
 			repos, err := s.GetRepoMulti("octocat/fork-knife", "octocat/hello-world")
 			g.Assert(err == nil).IsTrue()
@@ -123,7 +130,8 @@ func Test_repostore(t *testing.T) {
 				Owner:  "bradrydzewski",
 				Name:   "drone",
 			}
-			s.CreateRepo(&repo)
+			err := s.CreateRepo(&repo)
+			g.Assert(err).IsNil()
 			_, err1 := s.GetRepo(repo.ID)
 			err2 := s.DeleteRepo(&repo)
 			_, err3 := s.GetRepo(repo.ID)
diff --git a/store/datastore/users.go b/store/datastore/users.go
index 02cf5c0..adf9132 100644
--- a/store/datastore/users.go
+++ b/store/datastore/users.go
@@ -40,17 +40,6 @@ WHERE user_login = ?
 LIMIT 1
 `
 
-const userListQuery = `
-SELECT *
-FROM users
-ORDER BY user_login ASC
-`
-
-const userCountQuery = `
-SELECT count(1)
-FROM users
-`
-
 const userDeleteStmt = `
 DELETE FROM users
 WHERE user_id = ?
diff --git a/store/datastore/users_test.go b/store/datastore/users_test.go
index 42280ef..ef4edcb 100644
--- a/store/datastore/users_test.go
+++ b/store/datastore/users_test.go
@@ -18,7 +18,8 @@ func Test_userstore(t *testing.T) {
 		// before each test be sure to purge the package
 		// table data from the database.
 		g.BeforeEach(func() {
-			db.Exec("DELETE FROM users")
+			_, err := db.Exec("DELETE FROM users")
+			g.Assert(err).IsNil()
 		})
 
 		g.It("Should Update a User", func() {
@@ -56,7 +57,8 @@ func Test_userstore(t *testing.T) {
 				Avatar: "b9015b0857e16ac4d94a0ffd9a0b79c8",
 			}
 
-			s.CreateUser(&user)
+			err := s.CreateUser(&user)
+			g.Assert(err).IsNil()
 			getuser, err := s.GetUser(user.ID)
 			g.Assert(err == nil).IsTrue()
 			g.Assert(user.ID).Equal(getuser.ID)
@@ -73,7 +75,8 @@ func Test_userstore(t *testing.T) {
 				Email: "foo@bar.com",
 				Token: "e42080dddf012c718e476da161d21ad5",
 			}
-			s.CreateUser(&user)
+			err := s.CreateUser(&user)
+			g.Assert(err).IsNil()
 			getuser, err := s.GetUserLogin(user.Login)
 			g.Assert(err == nil).IsTrue()
 			g.Assert(user.ID).Equal(getuser.ID)
@@ -103,7 +106,8 @@ func Test_userstore(t *testing.T) {
 				Email: "foo@bar.com",
 				Token: "e42080dddf012c718e476da161d21ad5",
 			}
-			s.CreateUser(&user)
+			err := s.CreateUser(&user)
+			g.Assert(err).IsNil()
 			_, err1 := s.GetUser(user.ID)
 			err2 := s.DeleteUser(&user)
 			_, err3 := s.GetUser(user.ID)
diff --git a/web/login.go b/web/login.go
index 336d076..42a9ab9 100644
--- a/web/login.go
+++ b/web/login.go
@@ -103,7 +103,7 @@ func LoginToken(c *gin.Context) {
 	token := token.New(token.UserToken, user.Login)
 	tokenstr, err := token.SignExpires(user.Secret, exp)
 	if err != nil {
-		c.AbortWithError(http.StatusInternalServerError, err)
+		c.AbortWithError(http.StatusInternalServerError, err) // nolint: errcheck
 		return
 	}
 	c.IndentedJSON(http.StatusOK, &tokenPayload{