use go 1.23

Signed-off-by: Nicolas De Loof <[email protected]>

ci/Dockerfile

@@ -12,7 +12,7 @@
 #   See the License for the specific language governing permissions and
 #   limitations under the License.
 
-FROM golang:1.21
+FROM golang:1.23
 
 WORKDIR /go/src
 

go.mod

@@ -1,6 +1,6 @@
 module github.com/compose-spec/compose-go/v2
 
-go 1.21
+go 1.23
 
 require (
 	github.com/distribution/reference v0.5.0

loader/loader_test.go

@@ -1921,7 +1921,6 @@ services:
 		},
 	}
 	for _, testcase := range testcases {
-		testcase := testcase
 		t.Run(testcase.doc, func(t *testing.T) {
 			config, err := loadYAML(testcase.yaml)
 			assert.NilError(t, err)

template/template_test.go

@@ -218,7 +218,6 @@ func TestInterpolationExternalInterference(t *testing.T) {
 		},
 	}
 	for i, tc := range testCases {
-		tc := tc
 		t.Run(fmt.Sprintf("Interpolation Should not be impacted by outer text: %d", i), func(t *testing.T) {
 			result, err := Substitute(tc.template, defaultMapping)
 			assert.NilError(t, err)

template/variables_test.go

@@ -193,7 +193,6 @@ func TestExtractVariables(t *testing.T) {
 		},
 	}
 	for _, tc := range testCases {
-		tc := tc
 		t.Run(tc.name, func(t *testing.T) {
 			actual := ExtractVariables(tc.dict, DefaultPattern)
 			assert.Check(t, is.DeepEqual(actual, tc.expected))

types/labels.go

@@ -55,7 +55,6 @@ func (l Labels) AsList() []string {
 func (l Labels) ToMappingWithEquals() MappingWithEquals {
 	mapping := MappingWithEquals{}
 	for k, v := range l {
-		v := v
 		mapping[k] = &v
 	}
 	return mapping

types/mapping.go

@@ -157,7 +157,6 @@ func (m Mapping) Values() []string {
 func (m Mapping) ToMappingWithEquals() MappingWithEquals {
 	mapping := MappingWithEquals{}
 	for k, v := range m {
-		v := v
 		mapping[k] = &v
 	}
 	return mapping

types/types_test.go

@@ -318,7 +318,6 @@ func TestMarshalServiceEntrypoint(t *testing.T) {
 	}
 
 	for _, tc := range tcs {
-		tc := tc
 		t.Run(tc.name, func(t *testing.T) {
 			t.Parallel()