chore(deps): bump Go to 1.26 everywhere

.devcontainer/devcontainer.json

@@ -2,7 +2,7 @@
 // README at: https://github.com/devcontainers/templates/tree/main/src/go
 {
 	"name": "Go",
-	"image": "mcr.microsoft.com/devcontainers/go:1.25-trixie",
+	"image": "mcr.microsoft.com/devcontainers/go:1.26-trixie",
 
 	// Features to add to the dev container. More info: https://containers.dev/features.
 	// "features": {},

.github/workflows/ci-lint-go.yml

@@ -33,7 +33,7 @@ jobs:
       - name: golangci-lint
         uses: golangci/golangci-lint-action@ba0d7d2ec06a0ea1cb5fa41b2e4a3ab91d21278a # v9.3.0
         with:
-          version: v2.9.0
+          version: v2.14.0
           # Optional: working directory, useful for monorepos
           working-directory: ${{ inputs.project-directory }}
 

.github/workflows/ci-test-go.yml

@@ -72,30 +72,11 @@ jobs:
             cache-dependency-path: '${{ inputs.project-directory }}/go.sum'
         id: go
 
-      - name: Check Go version compatibility
-        id: go-compat
-        shell: bash
-        run: |
-          # Modules that require Go 1.26+ and do not support Go 1.25.x
-          NO_SUPPORT_125=("modules/weaviate")
-
-          SKIP=false
-          for mod in "${NO_SUPPORT_125[@]}"; do
-            if [[ "${{ inputs.project-directory }}" == "${mod}" ]] && [[ "${{ inputs.go-version }}" == 1.25.* ]]; then
-              echo "Skipping: ${mod} does not support Go 1.25.x"
-              SKIP=true
-              break
-            fi
-          done
-          echo "skip=${SKIP}" >> $GITHUB_OUTPUT
-
       - name: ensure compilation
-        if: steps.go-compat.outputs.skip != 'true'
         working-directory: ./${{ inputs.project-directory }}
         run: go build ./...
 
       - name: Install dependencies
-        if: steps.go-compat.outputs.skip != 'true'
         shell: bash
         run: |
           SCRIPT_PATH="./.github/scripts/${{ inputs.project-directory }}/install-dependencies.sh"
@@ -107,25 +88,23 @@ jobs:
 
       # Setup Testcontainers Cloud Client right before your Testcontainers tests
       - name: Setup Testcontainers Cloud Client
-        if: ${{ inputs.testcontainers-cloud && steps.go-compat.outputs.skip != 'true' }}
+        if: ${{ inputs.testcontainers-cloud }}
         uses: atomicjar/testcontainers-cloud-setup-action@7d1bab3fdfe0027c91936deca6b924d8a8a7a04d # v1.3
         with:
           token: ${{ secrets.TCC_TOKEN }}
 
       - name: go test
-        if: steps.go-compat.outputs.skip != 'true'
         working-directory: ./${{ inputs.project-directory }}
         timeout-minutes: 30
         run: make test-unit
 
       - name: Run checker
-        if: steps.go-compat.outputs.skip != 'true'
         run: |
             ./scripts/check_environment.sh
 
       # (Optionally) When you don't need Testcontainers Cloud anymore, you could terminate sessions eagerly
       - name: Terminate Testcontainers Cloud Client active sessions
-        if: ${{ inputs.testcontainers-cloud && steps.go-compat.outputs.skip != 'true' }}
+        if: ${{ inputs.testcontainers-cloud }}
         uses: atomicjar/testcontainers-cloud-setup-action@7d1bab3fdfe0027c91936deca6b924d8a8a7a04d # v1.3
         with:
           action: terminate
@@ -134,12 +113,12 @@ jobs:
         uses: test-summary/action@31493c76ec9e7aa675f1585d3ed6f1da69269a86 # v2.4
         with:
             paths: "**/${{ inputs.project-directory }}/TEST-unit*.xml"
-        if: ${{ always() && steps.go-compat.outputs.skip != 'true' }}
+        if: always()
 
       - name: Decide if Sonar must be run
-        if: ${{ matrix.platform == 'ubuntu-latest' && steps.go-compat.outputs.skip != 'true' }}
+        if: ${{ matrix.platform == 'ubuntu-latest' }}
         run: |
-          if [[ "1.25.x" == "${{ inputs.go-version }}" ]] && \
+          if [[ "1.26.x" == "${{ inputs.go-version }}" ]] && \
              [[ "true" != "${{ inputs.rootless-docker }}" ]] && \
              [[ "true" != "${{ inputs.testcontainers-cloud }}" ]] && \
              [[ "true" != "${{ inputs.ryuk-disabled }}" ]] && \

.github/workflows/ci.yml

@@ -61,7 +61,7 @@ jobs:
       # We don't want to fail the build the soonest but identify which modules passed and failed.
       fail-fast: false
       matrix:
-        go-version: [1.25.x, 1.26.x]
+        go-version: [1.26.x, 1.27.x]
         module: ${{ fromJSON(needs.detect-modules.outputs.modules) }}
         exclude:
           # The Quay MinIO image requires credentials not available in CI.
@@ -91,7 +91,7 @@ jobs:
       # We don't want to fail the build the soonest but identify which modules passed and failed.
       fail-fast: false
       matrix:
-        go-version: [1.25.x, 1.26.x]
+        go-version: [1.26.x, 1.27.x]
     uses: ./.github/workflows/ci-test-go.yml
     with:
       go-version: ${{ matrix.go-version }}
@@ -112,7 +112,7 @@ jobs:
     name: "Test with reaper off"
     strategy:
       matrix:
-        go-version: [1.25.x, 1.26.x]
+        go-version: [1.26.x, 1.27.x]
     uses: ./.github/workflows/ci-test-go.yml
     with:
       go-version: ${{ matrix.go-version }}
@@ -133,7 +133,7 @@ jobs:
     name: "Test with Rootless Docker"
     strategy:
       matrix:
-        go-version: [1.25.x, 1.26.x]
+        go-version: [1.26.x, 1.27.x]
     uses: ./.github/workflows/ci-test-go.yml
     with:
       go-version: ${{ matrix.go-version }}

AI.md

@@ -14,15 +14,15 @@ This is a **Go monorepo** containing:
 ## Environment Setup
 
 ### Go Version
-- **Required**: Go 1.25.9
+- **Required**: Go 1.26.8
 - **Tool**: Use [gvm](https://github.com/andrewkroh/gvm) for version management
 - **CRITICAL**: Always run this before ANY Go command:
   ```bash
   # For Apple Silicon (M1/M2/M3)
-  eval "$(gvm 1.25.9 --arch=arm64)"
+  eval "$(gvm 1.26.8 --arch=arm64)"
 
   # For Intel/AMD (x86_64)
-  eval "$(gvm 1.25.9 --arch=amd64)"
+  eval "$(gvm 1.26.8 --arch=amd64)"
   ```
 
 ### Project Structure
@@ -171,14 +171,14 @@ func Run(ctx context.Context, img string, opts ...testcontainers.ContainerCustom
 ### When Tests Fail
 1. **Read the error message carefully** - it usually tells you exactly what's wrong
 2. **Check if it's a lint issue** - run `make pre-commit` first
-3. **Verify Go version** - ensure using Go 1.25.9
+3. **Verify Go version** - ensure using Go 1.26.8
 4. **Check Docker** - some tests require Docker daemon running
 
 ## Common Pitfalls to Avoid
 
 ### Code Issues
 - ❌ Using interface types as return values
-- ❌ Forgetting to run `eval "$(gvm 1.25.9 --arch=arm64)"`
+- ❌ Forgetting to run `eval "$(gvm 1.26.8 --arch=arm64)"`
 - ❌ Not handling errors from built-in options
 - ❌ Using module-specific container names (`PostgresContainer`)
 - ❌ Calling `.Customize()` method instead of direct function call

cleanup.go

@@ -117,7 +117,7 @@ func isNil(val any) bool {
 
 	valueOf := reflect.ValueOf(val)
 	switch valueOf.Kind() {
-	case reflect.Chan, reflect.Func, reflect.Map, reflect.Ptr, reflect.UnsafePointer, reflect.Interface, reflect.Slice:
+	case reflect.Chan, reflect.Func, reflect.Map, reflect.Pointer, reflect.UnsafePointer, reflect.Interface, reflect.Slice:
 		return valueOf.IsNil()
 	default:
 		return false

commons-test.mk

@@ -6,7 +6,7 @@ define go_install
 endef
 
 $(GOBIN)/golangci-lint:
-	$(call go_install,github.com/golangci/golangci-lint/v2/cmd/golangci-lint@v2.9.0)
+	$(call go_install,github.com/golangci/golangci-lint/v2/cmd/golangci-lint@v2.14.0)
 
 $(GOBIN)/gotestsum:
 	$(call go_install,gotest.tools/gotestsum@latest)

docker_mounts.go

@@ -173,7 +173,7 @@ func mapToDockerMounts(containerMounts ContainerMounts) []mount.Mount {
 		case ImageMounter:
 			containerMount.ImageOptions = typedMounter.ImageOptions()
 		case BindMounter:
-			log.Printf("Mount type %s is not supported by Testcontainers for Go", m.Source.Type())
+			log.Printf("Mount type %s is not supported by Testcontainers for Go", mountTypeMapping[m.Source.Type()])
 		default:
 			// The provided source type has no custom options
 		}

docs/features/docker_compose.md

@@ -10,7 +10,7 @@ dependent upon.
 ## Using `docker compose` directly
 
 !!!warning
-	The minimal version of Go required to use this module is **1.21**.
+	The minimal version of Go required to use this module is **1.26**.
 
 ```
 go get github.com/testcontainers/testcontainers-go/modules/compose

docs/system_requirements/ci/aws_codebuild.md

@@ -11,7 +11,7 @@ version: 0.2
 phases:
   install:
     runtime-versions:
-      golang: 1.25
+      golang: 1.26
   build:
     commands:
       - go test ./...

docs/system_requirements/ci/circle_ci.md

@@ -57,7 +57,7 @@ workflows:
       - tests:
           matrix:
             parameters:
-              go-version: ["1.25.9", "1.26.2"]
+              go-version: ["1.26.8", "1.27.1"]
 
 ```
 

docs/system_requirements/ci/concourse_ci.md

@@ -36,7 +36,7 @@ jobs:
             start_docker
 
             cd repo
-            docker run -it --rm -v "$PWD:$PWD" -w "$PWD" -v /var/run/docker.sock:/var/run/docker.sock golang:1.25 go test ./...
+            docker run -it --rm -v "$PWD:$PWD" -w "$PWD" -v /var/run/docker.sock:/var/run/docker.sock golang:1.26 go test ./...
 ```
 
 Finally, you can use Concourse's [fly CLI](https://concourse-ci.org/fly.html) to set the pipeline and trigger the job:

docs/system_requirements/ci/dind_patterns.md

@@ -24,7 +24,7 @@ $ tree .
 └── platform
     └── integration_test.go
 
-$ docker run -it --rm -v $PWD:$PWD -w $PWD -v /var/run/docker.sock:/var/run/docker.sock golang:1.25 go test ./... -v
+$ docker run -it --rm -v $PWD:$PWD -w $PWD -v /var/run/docker.sock:/var/run/docker.sock golang:1.26 go test ./... -v
 ```
 
 Where:
@@ -45,7 +45,7 @@ The same can be achieved with Docker Compose:
 
 ```yaml
 tests:
-  image: golang:1.25
+  image: golang:1.26
   stop_signal: SIGKILL
   stdin_open: true
   tty: true

docs/system_requirements/ci/gitlab_ci.md

@@ -57,7 +57,7 @@ variables:
   DOCKER_DRIVER: overlay2
 
 test:
- image: golang:1.25
+ image: golang:1.26
  stage: test
  script: go test ./... -v
 ```

docs/system_requirements/ci/tekton.md

@@ -16,7 +16,7 @@ spec:
     - name: source
   steps:
     - name: read
-      image: golang:1.25
+      image: golang:1.26
       workingDir: $(workspaces.source.path)
       script: go test ./... -v
       volumeMounts:

examples/nginx/go.mod

@@ -1,8 +1,8 @@
 module github.com/testcontainers/testcontainers-go/examples/nginx
 
-go 1.25.0
+go 1.26.0
 
-toolchain go1.25.9
+toolchain go1.26.8
 
 require (
 	github.com/stretchr/testify v1.11.1

go.mod

@@ -1,8 +1,8 @@
 module github.com/testcontainers/testcontainers-go
 
-go 1.25.0
+go 1.26.0
 
-toolchain go1.25.9
+toolchain go1.26.8
 
 require (
 	dario.cat/mergo v1.0.2

logconsumer_test.go

@@ -62,7 +62,7 @@ func (g *TestLogConsumer) Msgs() []string {
 func devNullAcceptorChan() chan string {
 	c := make(chan string)
 	go func(c <-chan string) {
-		for range c { //nolint:revive // do nothing, just pull off channel
+		for range c {
 		}
 	}(c)
 	return c

modulegen/go.mod

@@ -1,8 +1,8 @@
 module github.com/testcontainers/testcontainers-go/modulegen
 
-go 1.25.0
+go 1.26.0
 
-toolchain go1.25.9
+toolchain go1.26.8
 
 require (
 	github.com/spf13/cobra v1.10.2

modules/activemq/go.mod

@@ -1,8 +1,8 @@
 module github.com/testcontainers/testcontainers-go/modules/activemq
 
-go 1.25.0
+go 1.26.0
 
-toolchain go1.25.9
+toolchain go1.26.8
 
 require (
 	github.com/stretchr/testify v1.11.1

modules/aerospike/go.mod

@@ -1,8 +1,8 @@
 module github.com/testcontainers/testcontainers-go/modules/aerospike
 
-go 1.25.0
+go 1.26.0
 
-toolchain go1.25.9
+toolchain go1.26.8
 
 require (
 	github.com/aerospike/aerospike-client-go/v8 v8.7.0

modules/arangodb/go.mod

@@ -1,8 +1,8 @@
 module github.com/testcontainers/testcontainers-go/modules/arangodb
 
-go 1.25.0
+go 1.26.0
 
-toolchain go1.25.9
+toolchain go1.26.8
 
 require (
 	github.com/arangodb/go-driver/v2 v2.3.1

modules/artemis/go.mod

@@ -1,8 +1,8 @@
 module github.com/testcontainers/testcontainers-go/modules/artemis
 
-go 1.25.0
+go 1.26.0
 
-toolchain go1.25.9
+toolchain go1.26.8
 
 require (
 	github.com/go-stomp/stomp/v3 v3.1.5

modules/azure/azurite/options.go

@@ -18,7 +18,7 @@ func defaultOptions() options {
 }
 
 // Satisfy the testcontainers.ContainerCustomizer interface
-var _ testcontainers.ContainerCustomizer = (Option)(nil)
+var _ testcontainers.ContainerCustomizer = Option(nil)
 
 // Option is an option for the Azurite container.
 type Option func(*options) error

modules/azure/eventhubs/options.go

@@ -39,7 +39,7 @@ func defaultOptions() options {
 }
 
 // Satisfy the testcontainers.ContainerCustomizer interface
-var _ testcontainers.ContainerCustomizer = (Option)(nil)
+var _ testcontainers.ContainerCustomizer = Option(nil)
 
 // Option is an option for the EventHubs container.
 type Option func(*options) error

modules/azure/go.mod

@@ -1,8 +1,8 @@
 module github.com/testcontainers/testcontainers-go/modules/azure
 
-go 1.25.7
+go 1.26.0
 
-toolchain go1.25.9
+toolchain go1.26.8
 
 require (
 	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.22.0

modules/azure/lowkeyvault/testdata/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.25-alpine@sha256:8e02eb337d9e0ea459e041f1ee5eece41cbb61f1d83e7d883a3e2fb4862063fa as builder
+FROM golang:1.26-alpine@sha256:8ac98ca534ac3f51e1f420a1dd2c15e74c75cfa0f23f3ad27eb5d7236c349a0c as builder
 WORKDIR /app
 COPY . .
 RUN mkdir -p dist

modules/azure/lowkeyvault/testdata/go.mod

@@ -1,8 +1,8 @@
 module lowkeyvault_network_test
 
-go 1.25.0
+go 1.26.0
 
-toolchain go1.25.9
+toolchain go1.26.8
 
 require (
 	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.21.0