diff --git a/backend/.dockerignore b/backend/.dockerignore
index 714e0da..78a50e3 100644
--- a/backend/.dockerignore
+++ b/backend/.dockerignore
@@ -1,7 +1,12 @@
-docker
+.dir-locals.el
+.dockerignore
+.gitignore
+**/.mypy_cache
+**/.ruff_cache
+.venv
 **/__pycache__
-poetry.lock
-Dockerfile
-docker-compose.yml
 config
-.venv
\ No newline at end of file
+docker
+poetry.lock
+tests
+Dockerfile
diff --git a/backend/Dockerfile b/backend/Dockerfile
index a11f9ec..06c6fe6 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,9 +1,13 @@
 FROM python:3.11-slim as builder
 
 WORKDIR /app
-COPY . /app
 
-RUN apt update && apt install -y proj-bin
+COPY ./pyproject.toml /app
+
+RUN apt update && \
+	apt install -y --no-install-recommends proj-bin && \
+	apt clean && \
+	rm -rf /var/lib/apt/lists/*
 
 RUN pip install --upgrade poetry && \
     poetry config virtualenvs.create false && \
@@ -15,7 +19,11 @@ FROM python:3.11-slim as runtime
 COPY . /app
 COPY --from=builder /app/requirements.txt /app
 
-RUN apt update && apt install -y postgresql libpq5
+RUN apt update && \
+	apt install -y --no-install-recommends postgresql libpq5 && \
+	apt clean && \
+	rm -rf /var/lib/apt/lists/*
+
 RUN pip install --no-cache-dir -r /app/requirements.txt
 
 WORKDIR /app
diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index e104d15..57c7872 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -4,7 +4,6 @@ version = "0.1.0"
 description = ""
 authors = ["Adrien SUEUR <me@adrien.run>"]
 readme = "README.md"
-packages = [{include = "backend"}]
 
 [tool.poetry.dependencies]
 python = "^3.11"