diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index e7ac75e..0d7453f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -39,3 +39,9 @@ jobs:
       - run: cp server/.env.example server/.env
       - run: docker compose up -d
       - run: npm test
+
+      - run: docker build . -t magnito --build-arg VERSION=0.0.0
+      - run: docker images
+      - run: docker run magnito --name magnito
+      - run: docker ps
+      - run: docker stop magnito
diff --git a/Dockerfile b/Dockerfile
index f0bf4fa..e07b5c6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -30,7 +30,7 @@ RUN npm run batch:writeVersion -- $VERSION
 RUN npm run build
 RUN apk --no-cache add curl
 
-HEALTHCHECK --interval=5s --timeout=5s --retries=3 CMD curl -f $API_ORIGIN/health || exit 1
+HEALTHCHECK --interval=5s --timeout=5s --retries=3 CMD curl -f $API_ORIGIN/health && curl -f $CORS_ORIGIN || exit 1
 
 EXPOSE 5000 5001
 VOLUME ["/usr/src/app/data"]
diff --git a/compose.yml b/compose.yml
index 4f117f6..c8d93a6 100644
--- a/compose.yml
+++ b/compose.yml
@@ -2,9 +2,9 @@ services:
   inbucket:
     image: inbucket/inbucket:3.0.3
     ports:
-      - '2500:2500' # SMTP
-      - '9000:9000' # web interface
-      - '1100:1100' # POP3
+      - 2500:2500 # SMTP
+      - 9000:9000 # web interface
+      - 1100:1100 # POP3
     volumes:
       - inbucket:/storage