Experiment: Docker extension

.dockerignore

@@ -0,0 +1 @@
+.github

.github/workflows/push-to-dockerhub.yml

@@ -45,7 +45,7 @@ jobs:
         fi
         echo ::set-output name=build_date::$(date +%s)
         echo ::set-output name=docker_platforms::linux/386,linux/amd64,linux/arm/v7,linux/arm/v6,linux/arm64
-        echo ::set-output name=docker_image::${{ secrets.DOCKER_USERNAME }}/mailhog
+        echo ::set-output name=docker_image::${{ secrets.DOCKER_USERNAME }}/mailhog-docker-desktop-extension
     - name: Set up QEMU
       uses: docker/setup-qemu-action@v1
       with:

Dockerfile

@@ -9,6 +9,17 @@ RUN set -x \
   && GOPATH=/tmp/gocode go install github.com/mailhog/MailHog@${MAILHOG_VERSION}
 
 FROM alpine:latest
+LABEL org.opencontainers.image.title="MailHog" \
+    org.opencontainers.image.description="An extension to using an existing Dockerfile to also create a Docker Desktop Extension." \
+    org.opencontainers.image.vendor="CODESIGN2" \
+    com.docker.desktop.extension.api.version="0.0.1" \
+    com.docker.desktop.extension.icon="https://avatars.githubusercontent.com/u/10258541?v=4"
+
+COPY ui /ui
+COPY metadata.json .
+COPY docker-compose.yaml .
+COPY hog.svg .
+
 WORKDIR /bin
 COPY --from=builder tmp/gocode/bin/MailHog /bin/MailHog
 EXPOSE 1025 8025

docker-compose.yaml

@@ -0,0 +1,6 @@
+services:
+  LocalStack:
+    image: ${DESKTOP_PLUGIN_IMAGE}
+    ports:
+      - "127.0.0.1:1025:1025"       # SMTP
+      - "127.0.0.1:8025:8025"       # WEB UI & API

metadata.json

@@ -0,0 +1,13 @@
+{
+  "icon": "hog.svg",
+  "vm": {
+    "composefile": "docker-compose.yaml"
+  },
+  "ui": {
+    "dashboard-tab": {
+      "title": "MailHog",
+      "root": "/ui",
+      "src": "index.html"
+    }
+  }
+}