Add DuckDB to the Docker build and the Gem

Dockerfile

@@ -14,10 +14,25 @@ FROM docker.io/library/ruby:$RUBY_VERSION-slim AS base
 # Rails app lives here
 WORKDIR /rails
 
-# Install base packages
+# Install base packages and DuckDB library
+ARG TARGETPLATFORM
 RUN apt-get update -qq && \
-    apt-get install --no-install-recommends -y curl libjemalloc2 libvips sqlite3 && \
+    apt-get install --no-install-recommends -y curl libjemalloc2 libvips sqlite3 wget unzip && \
     ln -s /usr/lib/$(uname -m)-linux-gnu/libjemalloc.so.2 /usr/local/lib/libjemalloc.so && \
+    case "$TARGETPLATFORM" in \
+      "linux/amd64") \
+        DUCKDB_ARCH="amd64" ;; \
+      "linux/arm64") \
+        DUCKDB_ARCH="arm64" ;; \
+      *) \
+        echo "Unsupported platform: $TARGETPLATFORM" && exit 1 ;; \
+    esac && \
+    wget "https://install.duckdb.org/v1.4.2/libduckdb-linux-${DUCKDB_ARCH}.zip" -O /tmp/libduckdb.zip && \
+    unzip /tmp/libduckdb.zip -d /tmp/duckdb && \
+    cp /tmp/duckdb/duckdb.h /tmp/duckdb/duckdb.hpp /usr/local/include/ && \
+    cp /tmp/duckdb/libduckdb.so /usr/local/lib/ && \
+    ldconfig && \
+    rm -rf /tmp/libduckdb.zip /tmp/duckdb && \
     rm -rf /var/lib/apt/lists /var/cache/apt/archives
 
 # Set production environment variables and enable jemalloc for reduced memory usage and latency.