diff --git a/Dockerfile b/Dockerfile
index eab1bd07..486bf1a0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,6 +13,10 @@ LABEL "maintainer"="Gregor Martynus (https://github.com/gr2m)"
 COPY package*.json ./
 RUN npm ci --only=production
 
-# start
+# copy required files
 COPY lib .
+RUN mkdir tweets
+COPY tweets/README.md tweets/
+
+# start
 ENTRYPOINT ["node", "/index.js"]
diff --git a/lib/push/setup.js b/lib/push/setup.js
index 9472b6a8..d15ecc5b 100644
--- a/lib/push/setup.js
+++ b/lib/push/setup.js
@@ -38,7 +38,7 @@ async function setup (state) {
 
   // Create tweets/README.md file
   // https://developer.github.com/v3/repos/contents/#create-a-file
-  const readmeContent = await fs.readFile(`tweets/README.md`)
+  const readmeContent = await fs.readFile('/tweets/README.md')
   await request('PUT /repos/:owner/:repo/contents/:path', {
     owner: payload.repository.owner.login,
     repo: payload.repository.name,