Add docker and gitlab pipelines.

.gitlab-ci.yml

@@ -0,0 +1,29 @@
+stages:
+  - build
+
+# Builds the production image (see Dockerfile: bun build → dist/, served by
+# `bun src/index.ts`) and pushes it to this project's GitLab Container Registry.
+#
+#   docker run -p 3000:3000 -v whisper-data:/app/data $CI_REGISTRY_IMAGE:latest
+build-image:
+  stage: build
+  image: docker:27
+  services:
+    - docker:27-dind
+  variables:
+    DOCKER_TLS_CERTDIR: "/certs"
+    IMAGE_SHA: $CI_REGISTRY_IMAGE:$CI_COMMIT_SHORT_SHA
+    IMAGE_LATEST: $CI_REGISTRY_IMAGE:latest
+  before_script:
+    - echo "$CI_REGISTRY_PASSWORD" | docker login -u "$CI_REGISTRY_USER" --password-stdin "$CI_REGISTRY"
+  script:
+    - docker build --pull -t "$IMAGE_SHA" .
+    - docker push "$IMAGE_SHA"
+    # Only the default branch moves the :latest tag.
+    - |
+      if [ "$CI_COMMIT_BRANCH" = "$CI_DEFAULT_BRANCH" ]; then
+        docker tag "$IMAGE_SHA" "$IMAGE_LATEST"
+        docker push "$IMAGE_LATEST"
+      fi
+  rules:
+    - if: $CI_COMMIT_BRANCH