feat: dockerize

Author: fredleger

.gitignore

@@ -2,3 +2,5 @@ mailrelay
 test
 vendor
 build
+.pytest_cache
+__pycache__

.python-version

@@ -0,0 +1 @@
+testContainers

.vscode/launch.json

@@ -14,4 +14,4 @@
 			"args": []
 		}
 	]
-}
+}

.vscode/settings.json

@@ -4,5 +4,10 @@
 		"HELO",
 		"EHLO",
 		"gosec"
-	]
-}
+	],
+	"python.testing.pytestArgs": [
+		"tests"
+	],
+	"python.testing.unittestEnabled": true,
+	"python.testing.pytestEnabled": true
+}

Dockerfile

@@ -0,0 +1,12 @@
+FROM golang:1.23 AS builder
+WORKDIR /app
+COPY src/* ./
+RUN go mod download && \
+    CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o main .
+
+FROM alpine:3.21
+RUN apk --no-cache add ca-certificates
+WORKDIR /root/
+COPY --from=builder /app/main /app/main
+COPY mailrelay.json /etc/mailrelay/mailrelay.json
+CMD ["/app/main", "-config", "/etc/mailrelay/mailrelay.json"]

auth.go src/auth.go

@@ -0,0 +1,19 @@
+import os
+import pytest
+from testcontainers.core.image import DockerImage
+from testcontainers.core.container import DockerContainer
+from testcontainers.core.waiting_utils import wait_for_logs
+
+def test_docker_build():
+  """build and test the main container"""
+  root = os.path.abspath(os.path.join(os.path.dirname(__file__), '../'))
+  print("Using root dir %s" % root)
+
+  # build image
+  with DockerImage(path=root, tag="test-image") as image:
+    logs = image.get_logs()
+    print("build logs: %s" % logs)
+    # run it
+    with DockerContainer(str(image)) as container:
+      delay = wait_for_logs(container, "Listening on TCP 0.0.0.0:")
+      assert True