dockerize the build of vector package

Remove the dependency on the minimal version of vector built externally.
Now we have the full vector package built in the EVE build system, using
lf-edge's eve-rust image as a base toolchain.

Signed-off-by: Paul Gaiduk <[email protected]>

Author: europaul

pkg/vector/Dockerfile

@@ -1,12 +1,72 @@
 # Copyright (c) 2025 Zededa, Inc.
 # SPDX-License-Identifier: Apache-2.0
 
-FROM paulzededa/eve-vector:no-lua
+ARG VECTOR_FEATURES='--no-default-features --features sources-socket,\
+sources-internal_metrics,\
+transforms-aws_ec2_metadata,\
+transforms-dedupe,\
+transforms-filter,\
+transforms-window,\
+transforms-log_to_metric,\
+transforms-metric_to_log,\
+transforms-reduce,\
+transforms-remap,\
+transforms-route,\
+transforms-exclusive-route,\
+transforms-sample,\
+transforms-throttle,\
+sinks-socket,\
+sources-prometheus-scrape,\
+sinks-prometheus'
+ARG RUST_VERSION=lfedge/eve-rust:1.85.1-2
+FROM --platform=$BUILDPLATFORM ${RUST_VERSION} AS toolchain-base
+ARG TARGETARCH
+RUN apk update && apk add --no-cache git perl protoc
+
+FROM toolchain-base AS target-amd64
+ENV CARGO_BUILD_TARGET="x86_64-unknown-linux-musl"
+
+FROM toolchain-base AS target-arm64
+ENV CARGO_BUILD_TARGET="aarch64-unknown-linux-musl"
+
+FROM toolchain-base AS target-riscv64
+ENV CARGO_BUILD_TARGET="riscv64gc-unknown-linux-gnu"
+
+FROM target-$TARGETARCH AS toolchain
+RUN echo "Cargo target: $CARGO_BUILD_TARGET"
+
+# building the final image
+FROM toolchain AS builder
+ARG VECTOR_FEATURES
+ADD https://github.com/vectordotdev/vector.git#v0.47.0 /app
+# we have our own options, so remove the default cargo config
+# if this doesn't help then remove everything leaving only
+# the files from .dockerignore except rust-toolchain.toml
+RUN rm -rf /app/.cargo /app/rust-toolchain.toml
+
+WORKDIR /app
+
+ENV RUSTFLAGS="\
+    -C opt-level=z \
+    -C lto=fat \
+    -C embed-bitcode=yes \
+    -C codegen-units=1"
+RUN cargo build --release $VECTOR_FEATURES
+
+# strip unneeded symbols
+RUN strip /app/target/$CARGO_BUILD_TARGET/release/vector
+
+RUN cargo sbom > sbom.spdx.json
+RUN cp /app/target/$CARGO_BUILD_TARGET/release/vector /app/target/
+
+# Assemble the final image
+FROM alpine:3.21 AS runtime
+COPY --from=builder /app/target/vector /usr/bin/vector
+COPY --from=builder /app/sbom.spdx.json /sbom.spdx.json
 
 RUN apk add --no-cache inotify-tools=4.23.9.0-r0
 
 COPY etc/vector.yaml /etc/vector/vector.yaml
 COPY entrypoint.sh /usr/local/bin/entrypoint.sh
-RUN chmod +x /usr/local/bin/entrypoint.sh
 
 ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]