dockerfiles: Add FLB_ENFORCE_ALIGNMENT variable

dockerfiles/Dockerfile

@@ -14,10 +14,10 @@
 ARG RELEASE_VERSION=3.1.7
 
 # For multi-arch builds - assumption is running on an AMD64 host
 FROM multiarch/qemu-user-static:x86_64-arm as qemu-arm32
 FROM multiarch/qemu-user-static:x86_64-aarch64 as qemu-arm64
 
 FROM debian:bookworm-slim as builder-base
 
 COPY --from=qemu-arm32 /usr/bin/qemu-arm-static /usr/bin/
 COPY --from=qemu-arm64 /usr/bin/qemu-aarch64-static /usr/bin/
@@ -28,9 +28,12 @@
 ARG FLB_CHUNK_TRACE=On
 ENV FLB_CHUNK_TRACE=${FLB_CHUNK_TRACE}
 
+ARG FLB_ENFORCE_ALIGNMENT=Off
+ENV FLB_ENFORCE_ALIGNMENT=${FLB_ENFORCE_ALIGNMENT}
+
 RUN mkdir -p /fluent-bit/bin /fluent-bit/etc /fluent-bit/log
 
 ENV DEBIAN_FRONTEND noninteractive
 
 # hadolint ignore=DL3008
 RUN echo "deb http://deb.debian.org/debian bookworm-backports main" >> /etc/apt/sources.list && \
@@ -61,7 +64,7 @@
 COPY . ./
 
 # We split the builder setup out so people can target it or use as a base image without doing a full build.
 FROM builder-base as builder
 WORKDIR /src/fluent-bit/build/
 RUN cmake -DFLB_RELEASE=On \
     -DFLB_JEMALLOC=On \
@@ -76,6 +79,7 @@
     -DFLB_NIGHTLY_BUILD="$FLB_NIGHTLY_BUILD" \
     -DFLB_LOG_NO_CONTROL_CHARS=On \
     -DFLB_CHUNK_TRACE="$FLB_CHUNK_TRACE" \
+    -DFLB_ENFORCE_ALIGNMENT="$FLB_ENFORCE_ALIGNMENT" \
     ..
 
 RUN make -j "$(getconf _NPROCESSORS_ONLN)"
@@ -97,7 +101,7 @@
 
 # Simple example of how to properly extract packages for reuse in distroless
 # Taken from: https://github.com/GoogleContainerTools/distroless/issues/863
 FROM debian:bookworm-slim as deb-extractor
 COPY --from=qemu-arm32 /usr/bin/qemu-arm-static /usr/bin/
 COPY --from=qemu-arm64 /usr/bin/qemu-aarch64-static /usr/bin/
 
@@ -154,7 +158,7 @@
 
 # We want latest at time of build
 # hadolint ignore=DL3006
 FROM gcr.io/distroless/cc-debian12 as production
 ARG RELEASE_VERSION
 ENV FLUENT_BIT_VERSION=${RELEASE_VERSION}
 LABEL description="Fluent Bit multi-architecture container image" \
@@ -185,7 +189,7 @@
 ENTRYPOINT [ "/fluent-bit/bin/fluent-bit" ]
 CMD ["/fluent-bit/bin/fluent-bit", "-c", "/fluent-bit/etc/fluent-bit.conf"]
 
 FROM debian:bookworm-slim as debug
 ARG RELEASE_VERSION
 ENV FLUENT_BIT_VERSION=${RELEASE_VERSION}
 LABEL description="Fluent Bit multi-architecture debug container image" \
@@ -203,7 +207,7 @@
 
 COPY --from=qemu-arm32 /usr/bin/qemu-arm-static /usr/bin/
 COPY --from=qemu-arm64 /usr/bin/qemu-aarch64-static /usr/bin/
 ENV DEBIAN_FRONTEND noninteractive
 
 # hadolint ignore=DL3008
 RUN echo "deb http://deb.debian.org/debian bookworm-backports main" >> /etc/apt/sources.list && \