Add central postgres instance

central-database/Dockerfile

@@ -0,0 +1,43 @@
+# PostgreSQL 18 with pgvector and vectorchord extensions
+FROM postgres:18-alpine
+
+# Install build dependencies
+RUN apk add --no-cache --virtual .build-deps \
+    gcc \
+    musl-dev \
+    postgresql-dev \
+    make \
+    git \
+    cmake \
+    clang \
+    openssl-dev \
+    libxml2-dev \
+    libxslt-dev \
+    python3 \
+    py3-pip \
+    build-base
+
+# Install pgvector extension
+RUN git clone --branch v0.7.3 https://github.com/pgvector/pgvector.git /tmp/pgvector \
+    && cd /tmp/pgvector \
+    && make \
+    && make install
+
+# Install vectorchord extension (for Immich)
+RUN git clone --branch v0.3.0 https://github.com/vectorchord/pg_vectorscale.git /tmp/pg_vectorscale \
+    && cd /tmp/pg_vectorscale \
+    && make \
+    && make install
+
+# Clean up build dependencies
+RUN apk del .build-deps \
+    && rm -rf /tmp/* \
+    && rm -rf /var/lib/apt/lists/*
+
+# Configure PostgreSQL to load extensions
+RUN echo "shared_preload_libraries = 'pg_vectorscale,vector'" >> /var/lib/postgresql/data/postgresql.conf
+
+COPY init-postgres.sh /docker-entrypoint-initdb.d/
+
+EXPOSE 5432
+CMD ["postgres"]