update Dockerfile

docker/Dockerfile

@@ -1,14 +1,23 @@
-FROM python:3.11-slim-buster
+FROM python:3.12
 
-WORKDIR pypfopt
-COPY requirements.txt .
+WORKDIR /pypfopt
+COPY --link requirements.txt .
 
-RUN pip install --upgrade pip \
-    pip install yfinance && \
-    pip install poetry \
-    pip install ipython \
-    pip install jupyter \
-    pip install pytest \
+# prepare the system to install scs
+RUN apt-get update && apt-get install -y \
+    cmake \
+    libopenblas-dev \
+    liblapack-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+
+RUN pip install --upgrade pip && \
+    pip install yfinance \
+    poetry \
+    ipython \
+    jupyter \
+    ecos \
+    pytest && \
     pip install -r requirements.txt
 
 COPY . .

docker/Dockerfile.dockerignore

@@ -0,0 +1,19 @@
+#https://stackoverflow.com/questions/28097064/dockerignore-ignore-everything-except-a-file-and-the-dockerfile
+
+# Ignore Everything
+**
+
+# do not ignore
+!docs
+!cookbook
+!pypfopt
+!tests
+
+!requirements.txt
+!poetry.lock
+!pyproject.toml
+!README.md
+
+# even in those folders ignore
+*/__pycache__
+*/*.pyc