build: use copy instead of add in dockerfile

CHANGELOG.md

@@ -15,6 +15,7 @@
 - ci: Enable dependabot for pip requirements
 - build: Update Python base image to version 3.11-slim-bookworm
 - build: reduce the size of the Docker image by cleaning the APT cache
+- build: use copy instead of add in dockerfile
 
 ### Bug Fixes
 

Dockerfile

@@ -18,13 +18,17 @@ RUN apt-get update && apt-get install -y \
     && apt-get clean \
  && rm -rf /var/lib/apt/lists/*
 
-# Update pip and install pip requirements
+# Update pip
 RUN python -m pip install --upgrade pip
-ADD src/requirements.txt .
+
+# Copy requirements.txt and install requirements
+WORKDIR /requirements
+COPY src/requirements.txt .
 RUN python -m pip install -r requirements.txt
 
+# Copy the rest of the code
 WORKDIR /app
-ADD . /app
+COPY . /app
 
 # Switching to a non-root user, please refer to https://aka.ms/vscode-docker-python-user-rights
 RUN useradd appuser && chown -R appuser /app