Add Dockerfile for running ppdb-replication

This will run the ppdb-replication command, which is installed through
pip. The entrypoint script used to run the command will convert the
PPDB environment variables into the appropriate command line arguments.

docker/Dockerfile.replication

@@ -0,0 +1,41 @@
+FROM python:3.11.6-slim-bookworm
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Update and install OS dependencies
+RUN apt-get -y update && \
+    apt-get -y upgrade && \
+    apt-get -y install --no-install-recommends git && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+# Install required python build dependencies
+RUN pip install --upgrade --no-cache-dir pip setuptools wheel uv
+
+# Create the build directory
+WORKDIR /build
+COPY . /build
+
+# Install requirements
+RUN uv pip install --no-cache-dir --system cassandra-driver psycopg2-binary
+RUN uv pip install --no-cache-dir --system -r requirements.txt
+
+# Install the package
+RUN uv pip install --no-cache-dir --system --no-deps .
+
+# Setup the application scripts
+WORKDIR /app
+
+# Install sdm_schemas
+RUN git clone https://github.com/lsst/sdm_schemas.git
+ENV SDM_SCHEMAS_DIR=/app/sdm_schemas
+
+# Copy the entrypoint script
+COPY docker/scripts/entrypoint-replication.sh .
+RUN chmod +x /app/entrypoint-replication.sh
+
+# Remove the build directory
+RUN rm -rf /build
+
+# Run the wrapper script for the ppdb-replication command
+CMD ["/app/entrypoint-replication.sh"]