diff --git a/Dockerfile.package b/Dockerfile.package
new file mode 100644
index 0000000..ba456a7
--- /dev/null
+++ b/Dockerfile.package
@@ -0,0 +1,139 @@
+# syntax=docker/dockerfile:1
+# =============================================================================
+# ja4sentinel - Dockerfile de packaging unifié (DEB + RPM avec fpm)
+# =============================================================================
+
+# =============================================================================
+# Stage 1: Builder - Compilation du binaire Go
+# =============================================================================
+FROM golang:1.24-bookworm AS builder
+
+WORKDIR /build
+
+# Install dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    git \
+    libpcap-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy go mod files
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Build binary for Linux
+ARG VERSION=1.0.0
+ARG BUILD_TIME=""
+ARG GIT_COMMIT=""
+RUN mkdir -p dist && \
+    CGO_ENABLED=1 GOOS=linux GOARCH=amd64 \
+    go build -buildvcs=false \
+    -ldflags "-X main.Version=${VERSION} -X main.BuildTime=${BUILD_TIME} -X main.GitCommit=${GIT_COMMIT}" \
+    -o dist/ja4sentinel \
+    ./cmd/ja4sentinel
+
+# =============================================================================
+# Stage 2: Package builder - fpm pour DEB et RPM
+# =============================================================================
+FROM ruby:3.2-bookworm AS package-builder
+
+WORKDIR /package
+
+# Install fpm and dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    rpm \
+    dpkg-dev \
+    fakeroot \
+    libpcap-dev \
+    && rm -rf /var/lib/apt/lists/* \
+    && gem install fpm -v 1.16.0
+
+# Copy binary from builder
+COPY --from=builder /build/dist/ja4sentinel /tmp/pkgroot/usr/bin/ja4sentinel
+COPY --from=builder /build/packaging/systemd/ja4sentinel.service /tmp/pkgroot/usr/lib/systemd/system/ja4sentinel.service
+COPY --from=builder /build/packaging/systemd/config.yml /tmp/pkgroot/etc/ja4sentinel/config.yml.default
+COPY --from=builder /build/packaging/systemd/config.yml /tmp/pkgroot/usr/share/ja4sentinel/config.yml
+
+# Create directories and set permissions
+RUN mkdir -p /tmp/pkgroot/var/lib/ja4sentinel && \
+    mkdir -p /tmp/pkgroot/var/log/ja4sentinel && \
+    mkdir -p /tmp/pkgroot/var/run/ja4sentinel && \
+    chmod 755 /tmp/pkgroot/usr/bin/ja4sentinel && \
+    chmod 644 /tmp/pkgroot/usr/lib/systemd/system/ja4sentinel.service && \
+    chmod 640 /tmp/pkgroot/etc/ja4sentinel/config.yml.default && \
+    chmod 640 /tmp/pkgroot/usr/share/ja4sentinel/config.yml && \
+    chmod 750 /tmp/pkgroot/var/lib/ja4sentinel && \
+    chmod 750 /tmp/pkgroot/var/log/ja4sentinel && \
+    chmod 750 /tmp/pkgroot/var/run/ja4sentinel && \
+    chmod 750 /tmp/pkgroot/etc/ja4sentinel
+
+# Copy maintainer scripts
+COPY packaging/deb/postinst /tmp/scripts/postinst
+COPY packaging/deb/prerm /tmp/scripts/prerm
+COPY packaging/deb/postrm /tmp/scripts/postrm
+RUN chmod 755 /tmp/scripts/*
+
+# Build DEB package
+ARG VERSION=1.0.0
+ARG ARCH=amd64
+RUN mkdir -p /packages/deb && \
+    fpm -s dir -t deb \
+    -n ja4sentinel \
+    -v "${VERSION}" \
+    -C /tmp/pkgroot \
+    --architecture "${ARCH}" \
+    --description "JA4 TLS fingerprinting daemon for network monitoring" \
+    --url "https://github.com/your-repo/ja4sentinel" \
+    --license "MIT" \
+    --vendor "JA4Sentinel Team <team@example.com>" \
+    --maintainer "JA4Sentinel Team <team@example.com>" \
+    --depends "systemd" \
+    --depends "libpcap0.8" \
+    --after-install /tmp/scripts/postinst \
+    --before-remove /tmp/scripts/prerm \
+    --after-remove /tmp/scripts/postrm \
+    -p /packages/deb/ja4sentinel_${VERSION}_${ARCH}.deb \
+    usr/bin/ja4sentinel \
+    etc/ja4sentinel/config.yml.default \
+    usr/share/ja4sentinel/config.yml \
+    var/lib/ja4sentinel \
+    var/log/ja4sentinel \
+    var/run/ja4sentinel
+
+# Build RPM package
+ARG DIST=el9
+RUN mkdir -p /packages/rpm && \
+    fpm -s dir -t rpm \
+    -n ja4sentinel \
+    -v "${VERSION}" \
+    -C /tmp/pkgroot \
+    --architecture "x86_64" \
+    --description "JA4 TLS fingerprinting daemon for network monitoring" \
+    --url "https://github.com/your-repo/ja4sentinel" \
+    --license "MIT" \
+    --vendor "JA4Sentinel Team <team@example.com>" \
+    --depends "systemd" \
+    --depends "libpcap >= 1.9.0" \
+    --after-install /tmp/scripts/postinst \
+    --before-remove /tmp/scripts/prerm \
+    --after-remove /tmp/scripts/postrm \
+    -p /packages/rpm/ja4sentinel-${VERSION}-1.x86_64.rpm \
+    usr/bin/ja4sentinel \
+    etc/ja4sentinel/config.yml.default \
+    usr/share/ja4sentinel/config.yml \
+    var/lib/ja4sentinel \
+    var/log/ja4sentinel \
+    var/run/ja4sentinel
+
+# =============================================================================
+# Stage 3: Output - Image finale avec les packages
+# =============================================================================
+FROM alpine:latest AS output
+
+WORKDIR /packages
+COPY --from=package-builder /packages/deb/*.deb /packages/deb/
+COPY --from=package-builder /packages/rpm/*.rpm /packages/rpm/
+
+CMD ["sh", "-c", "echo '=== DEB Packages ===' && ls -la /packages/deb/ && echo '' && echo '=== RPM Packages ===' && ls -la /packages/rpm/"]
diff --git a/Makefile b/Makefile
index 49393c1..51af6b4 100644
--- a/Makefile
+++ b/Makefile
@@ -94,33 +94,24 @@ fmt:
 package: package-deb package-rpm
 
 ## package-deb: Build DEB package (requires Docker)
-package-deb: build-linux
-	mkdir -p build/deb
-	docker build --no-cache -t ja4sentinel-packager-deb \
+package-deb:
+	mkdir -p build/deb build/rpm
+	docker build --target output -t ja4sentinel-packager:latest \
 		--build-arg VERSION=$(PKG_VERSION) \
-		--build-arg ARCH=amd64 \
-		-f packaging/Dockerfile.deb .
-	@echo "Extracting DEB packages from Docker image..."
-	@for f in $$(docker run --rm ja4sentinel-packager-deb sh -c 'ls /packages/*.deb 2>/dev/null'); do \
-		docker run --rm ja4sentinel-packager-deb sh -c "cat $$f" > build/deb/$$(basename $$f); \
-	done
-	@for f in $$(docker run --rm ja4sentinel-packager-deb sh -c 'ls /packages/*.sha256 2>/dev/null'); do \
-		docker run --rm ja4sentinel-packager-deb sh -c "cat $$f" > build/deb/$$(basename $$f); \
-	done || true
+		-f Dockerfile.package .
+	@echo "Extracting packages from Docker image..."
+	@docker run --rm ja4sentinel-packager:latest sh -c 'cp /packages/deb/*.deb /tmp/' && \
+	 docker cp $$(docker create ja4sentinel-packager:latest):/packages/deb/. build/deb/ && \
+	 docker cp $$(docker create ja4sentinel-packager:latest):/packages/rpm/. build/rpm/ || \
+	 docker run --rm -v $(PWD)/build:/output ja4sentinel-packager:latest sh -c 'cp -r /packages/deb /output/ && cp -r /packages/rpm /output/'
 	@echo "DEB packages created:"
 	ls -la build/deb/
+	@echo "RPM packages created:"
+	ls -la build/rpm/
 
 ## package-rpm: Build RPM package (requires Docker)
-package-rpm: build-linux
-	mkdir -p build/rpm
-	docker build --no-cache -t ja4sentinel-packager-rpm \
-		--build-arg VERSION=$(PKG_VERSION) \
-		--build-arg ARCH=x86_64 \
-		-f packaging/Dockerfile.rpm .
-	@echo "Extracting RPM from Docker image..."
-	docker run --rm ja4sentinel-packager-rpm sh -c 'cat /packages/*.rpm' > build/rpm/ja4sentinel.rpm
-	@echo "RPM package created: build/rpm/ja4sentinel.rpm"
-	ls -la build/rpm/*.rpm
+package-rpm: package-deb
+	@echo "RPM built together with DEB in Dockerfile.package"
 
 ## test-package-deb: Test DEB package installation in Docker
 test-package-deb: package-deb