diff --git a/.circleci/config.yml b/.circleci/config.yml
deleted file mode 100644
index 01c9372..0000000
--- a/.circleci/config.yml
+++ /dev/null
@@ -1,87 +0,0 @@
-version: 2
-jobs:
-  build_test_deploy:
-    machine: true
-    steps:
-      - checkout
-
-      - run: 
-          name: Build docker container
-          command: docker build -t "racemap/elevation-service:${CIRCLE_BUILD_NUM}" .
-
-      - run: 
-          name: Run unit tests
-          command: |
-            docker run \
-              --rm \
-              "racemap/elevation-service:${CIRCLE_BUILD_NUM}" \
-              yarn test
-
-      - run:
-          name: Run S3 tests
-          command: |
-            docker run \
-              --rm \
-              -d \
-              -eTILE_SET_PATH=s3:// \
-              -p3000:3000 \
-              --name elevation \
-              "racemap/elevation-service:${CIRCLE_BUILD_NUM}"
-            sleep 5
-            RESULT=$(curl \
-              -d '[[51.3, 13.4], [51.4, 13.3]]' \
-              -XPOST \
-              -H 'Content-Type: application/json' \
-              http://localhost:3000)
-            [ "$RESULT" = "[101,100]" ]
-            RESULT=$(curl http://localhost:3000/\?lat\=51.3\&lng\=13.4)
-            [ "$RESULT" = "101" ]
-            docker stop elevation
-
-      - run:
-          name: Run local tests
-          command: |
-            mkdir -p data/N51
-            wget \
-              http://elevation-tiles-prod.s3.amazonaws.com/skadi/N51/N51E013.hgt.gz \
-              -O data/N51/N51E013.hgt.gz
-            docker run \
-              --rm \
-              -d \
-              -p3000:3000 \
-              --name elevation \
-              -v$(pwd)/data:/app/data \
-              "racemap/elevation-service:${CIRCLE_BUILD_NUM}"
-            sleep 5
-            RESULT=$(curl \
-              -d '[[51.3, 13.4], [51.4, 13.3]]' \
-              -XPOST \
-              -H 'Content-Type: application/json' \
-              http://localhost:3000)
-            [ "$RESULT" = "[101,100]" ]
-            RESULT=$(curl http://localhost:3000/\?lat\=51.3\&lng\=13.4)
-            [ "$RESULT" = "101" ]
-            docker stop elevation
-
-      - run:
-          name: Push Docker images
-          command: |
-            echo $DOCKER_PASS | docker login -u $DOCKER_USER --password-stdin
-            docker tag \
-              "racemap/elevation-service:${CIRCLE_BUILD_NUM}" \
-              "racemap/elevation-service:${CIRCLE_BRANCH}"
-            docker push "racemap/elevation-service:${CIRCLE_BUILD_NUM}"
-            docker push "racemap/elevation-service:${CIRCLE_BRANCH}"
-            if [ "${CIRCLE_BRANCH}" == "master" ]; then
-              docker tag \
-                "racemap/elevation-service:${CIRCLE_BUILD_NUM}" \
-                "racemap/elevation-service:latest"
-              docker push "racemap/elevation-service:latest"
-            fi
-            docker logout
-
-workflows:
-  version: 2
-  default:
-    jobs:
-      - build_test_deploy
diff --git a/.github/workflows/buildImage.yml b/.github/workflows/buildImage.yml
new file mode 100644
index 0000000..448bd6b
--- /dev/null
+++ b/.github/workflows/buildImage.yml
@@ -0,0 +1,93 @@
+name: Build Image
+
+on:
+  push:
+    branches:
+      - 'master'
+    tags:
+      - 'v*'
+  pull_request:
+    branches:
+      - 'master'
+
+jobs:
+  image:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: racemap/elevation-service
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKER_USER }}
+          password: ${{ secrets.DOCKER_PASS }}
+
+      - name: Build
+        uses: docker/build-push-action@v4
+        with:
+          push: false
+          load: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+
+      - name: Test S3
+        run: |
+          docker run \
+          --rm \
+          -d \
+          -eTILE_SET_PATH=s3:// \
+          -p3000:3000 \
+          --name elevation \
+          "racemap/elevation-service:${{ steps.meta.outputs.version }}"
+          sleep 5
+          RESULT=$(curl \
+            -d '[[51.3, 13.4], [51.4, 13.3]]' \
+            -XPOST \
+            -H 'Content-Type: application/json' \
+            http://localhost:3000)
+          [ "$RESULT" = "[101,100]" ]
+          RESULT=$(curl http://localhost:3000/\?lat\=51.3\&lng\=13.4)
+          [ "$RESULT" = "101" ]
+          docker stop elevation
+
+      - name: Test Local
+        run: |
+          mkdir -p data/N51
+          wget \
+            https://elevation-tiles-prod.s3.amazonaws.com/skadi/N51/N51E013.hgt.gz \
+            -O data/N51/N51E013.hgt.gz
+          docker run \
+            --rm \
+            -d \
+            -p3000:3000 \
+            --name elevation \
+            -v$(pwd)/data:/app/data \
+            "racemap/elevation-service:${{ steps.meta.outputs.version }}"
+          sleep 5
+          RESULT=$(curl \
+            -d '[[51.3, 13.4], [51.4, 13.3]]' \
+            -XPOST \
+            -H 'Content-Type: application/json' \
+            http://localhost:3000)
+          [ "$RESULT" = "[101,100]" ]
+          RESULT=$(curl http://localhost:3000/\?lat\=51.3\&lng\=13.4)
+          [ "$RESULT" = "101" ]
+          docker stop elevation
+
+      - name: Push
+        uses: docker/build-push-action@v4
+        if: github.event_name != 'pull_request'
+        with:
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
diff --git a/Dockerfile b/Dockerfile
index a279c0f..bb3395d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM node:14
 
 COPY . /app
 WORKDIR /app
-RUN yarn install
+RUN yarn install --frozen-lockfile && yarn test
 
 ENV TILE_SET_CACHE 128
 ENV TILE_SET_PATH /app/data
@@ -12,4 +12,4 @@ EXPOSE 3000
 
 HEALTHCHECK CMD curl --fail http://localhost:3000/status || exit 1
 
-CMD ["yarn", "run", "start"]
+CMD ["yarn", "start"]
diff --git a/index.js b/index.js
index e448921..83d9fc2 100644
--- a/index.js
+++ b/index.js
@@ -58,7 +58,15 @@ async function handleGET(req, res) {
 }
 
 async function handleGETStatus(req, res) {
-  return send(res, 200, 'Ok');
+  try {
+    // try to receive a test value
+    await tiles.getElevation([0, 0]);
+    return send(res, 200, 'Ok');
+  } catch (error) {
+    console.error('Status Check Failed!');
+    console.error(error);
+    return send(res, 500, 'Error');
+  }
 }
 
 async function handler(req, res) {