diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..9ecd71d
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,6 @@
+.git
+.gitignore
+config.ini
+README.md
+TODO
+requirements.txt
diff --git a/Dockerfile b/Dockerfile
index a4e68e4..922ba6c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,11 @@
 FROM python:3.10-alpine
-COPY . /app
+
 WORKDIR /app
-RUN pip install -r /app/requirements.txt
+
+COPY requirements.txt /app/requirements.txt
+
+RUN pip install -r /app/requirements.txt && rm /app/requirements.txt
+
+COPY . /app
 
 CMD ["python3", "-m", "mastoposter", "/config.ini"]