diff --git a/Dockerfile b/Dockerfile
index 81f1830..7838f8d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,7 +10,7 @@ COPY ./src/package.json ./
 RUN npm install
 
 # Copy source
-COPY ./src ./src
+COPY ./src ./
 
 # Create replied_ids.json
 RUN touch replied_ids.json
@@ -20,7 +20,9 @@ COPY ./entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
 
 # Change line break
-RUN find /entrypoint.sh /app -type f -exec sed -i 's/\r$//' {} +
+RUN apk add --no-cache dos2unix
+RUN dos2unix /entrypoint.sh
+RUN find /app -type f -exec dos2unix {} \;
 
 # Run entrypoint
 ENTRYPOINT ["/entrypoint.sh"]
\ No newline at end of file