diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
new file mode 100644
index 0000000..01c9646
--- /dev/null
+++ b/.github/workflows/docker-image.yml
@@ -0,0 +1,27 @@
+name: Docker Image CI
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@master
+    - name: Publish Docker Image
+      # You may pin to the exact commit or the version.
+      # uses: elgohr/Publish-Docker-Github-Action@191af57e15535d28b83589e3b5f0c31e76aa8733
+      uses: elgohr/Publish-Docker-Github-Action@3.04
+      with:
+        # The name of the image you would like to push
+        name: surdaft/minecraft-exporter
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+        registry: ghcr.io
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1c1bada
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+# for testing
+world
diff --git a/docker-compose.yaml b/docker-compose.yaml
index cb439b4..a7b1c74 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -1,7 +1,8 @@
 version: '3.1'
 services:
   minecraft-exporter:
-    image: 'joshi425/minecraft_exporter'
+    build:
+      context: .
     environment:
       RCON_HOST: 
       RCON_PORT:
@@ -9,4 +10,4 @@ services:
     ports:
     - 9700:8000
     volumes:
-    - /path/to/minecraft/world:/world:ro
+    - ./world:/world:ro
diff --git a/minecraft_exporter.py b/minecraft_exporter.py
index 64101da..0a4b687 100644
--- a/minecraft_exporter.py
+++ b/minecraft_exporter.py
@@ -271,7 +271,7 @@ class MinecraftCollector(object):
                     damage_taken.add_sample('damage_taken',value=value,labels={'player':name})
                 elif stat == "minecraft:damage_dealt":
                     damage_dealt.add_sample('damage_dealt',value=value,labels={'player':name})
-                elif stat == "minecraft:play_one_minute":
+                elif stat == "minecraft:play_time":
                     player_playtime.add_sample('player_playtime',value=value,labels={'player':name})
                 elif stat == "minecraft:walk_one_cm":
                     cm_traveled.add_sample("cm_traveled",value=value,labels={'player':name,'method':"walking"})