Replace Travis with GitHub Actions

.editorconfig

@@ -66,7 +66,7 @@ dotnet_naming_symbols.static_fields.applicable_kinds   = field
 dotnet_naming_symbols.static_fields.required_modifiers = static
 dotnet_naming_symbols.static_fields.applicable_accessibilities = private, internal, private_protected
 dotnet_naming_style.static_prefix_style.required_prefix = s_
-dotnet_naming_style.static_prefix_style.capitalization = camel_case 
+dotnet_naming_style.static_prefix_style.capitalization = camel_case
 
 # internal and private fields should be _camelCase
 dotnet_naming_rule.camel_case_for_private_internal_fields.severity = suggestion
@@ -75,7 +75,7 @@ dotnet_naming_rule.camel_case_for_private_internal_fields.style    = camel_case_
 dotnet_naming_symbols.private_internal_fields.applicable_kinds = field
 dotnet_naming_symbols.private_internal_fields.applicable_accessibilities = private, internal
 dotnet_naming_style.camel_case_underscore_style.required_prefix = _
-dotnet_naming_style.camel_case_underscore_style.capitalization = camel_case 
+dotnet_naming_style.camel_case_underscore_style.capitalization = camel_case
 
 # Code style defaults
 csharp_using_directive_placement = outside_namespace:suggestion
@@ -183,3 +183,7 @@ indent_size = 2
 end_of_line = lf
 [*.{cmd, bat}]
 end_of_line = crlf
+
+# YAML files
+[*.yml]
+indent_size = 2

.github/workflows/test-linux.yml

@@ -0,0 +1,34 @@
+name: Build (Linux)
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    services:
+      rabbitmq:
+        image: rabbitmq:3.8.9-management
+        ports:
+         - 5672:5672
+         - 15672:15672
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Setup .NET Core
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: 3.1.x
+
+    - name: Build
+      run: dotnet build --configuration Release
+
+    - name: Test
+      run: dotnet test --configuration Release --framework 'netcoreapp3.1' --no-build
+      env:
+        RABBITMQ_RABBITMQCTL_PATH: DOCKER:${{job.services.rabbitmq.id}}