From 1ac5ddbf33077d2ca907d1c9d3a735e1bc7ddd44 Mon Sep 17 00:00:00 2001
From: Kostas Drakontidis <kdrakontidis@uth.gr>
Date: Fri, 29 May 2026 23:45:50 +0300
Subject: [PATCH] cross compile files for extract embeddings exec

---
 .../extractEmbeddings/Dockerfile              | 55 +++++++++++++++++++
 .../extractEmbeddings/Makefile                | 10 ++++
 .../extractEmbeddings/go.mod                  |  8 +++
 .../extractEmbeddings/go.sum                  |  4 ++
 4 files changed, 77 insertions(+)
 create mode 100644 src/officesense_vision/extractEmbeddings/Dockerfile
 create mode 100644 src/officesense_vision/extractEmbeddings/Makefile
 create mode 100644 src/officesense_vision/extractEmbeddings/go.mod
 create mode 100644 src/officesense_vision/extractEmbeddings/go.sum

diff --git a/src/officesense_vision/extractEmbeddings/Dockerfile b/src/officesense_vision/extractEmbeddings/Dockerfile
new file mode 100644
index 0000000..f7e4fd3
--- /dev/null
+++ b/src/officesense_vision/extractEmbeddings/Dockerfile
@@ -0,0 +1,55 @@
+ARG BUILDPLATFORM=linux/amd64
+FROM --platform=$BUILDPLATFORM golang:1.26-bookworm AS builder
+
+# Install dlib deps
+RUN dpkg --add-architecture arm64 && \
+    apt-get update && apt-get install -y \
+    g++-aarch64-linux-gnu \
+    libdlib-dev:arm64 \
+    libjpeg-dev:arm64 \
+    libblas-dev:arm64 \
+    libopenblas-dev:arm64 \
+    libatlas-base-dev:arm64 \
+    liblapack-dev:arm64 \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+# Compiler wrapper for arm64
+RUN printf '#!/bin/bash\nexec aarch64-linux-gnu-gcc "${@//-march=native/-march=armv8-a}"\n' \
+      > /usr/local/bin/arm64-gcc && \
+    printf '#!/bin/bash\nexec aarch64-linux-gnu-g++ "${@//-march=native/-march=armv8-a}"\n' \
+      > /usr/local/bin/arm64-g++ && \
+    chmod +x /usr/local/bin/arm64-gcc /usr/local/bin/arm64-g++
+
+# Compiler variables for cross-compile to arm64
+ENV CGO_ENABLED=1 \
+    GOOS=linux \
+    GOARCH=arm64 \
+    CC=/usr/local/bin/arm64-gcc \
+    CXX=/usr/local/bin/arm64-g++ \
+    PKG_CONFIG_PATH=/usr/lib/aarch64-linux-gnu/pkgconfig
+
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Pre-compile all CGO deps into cache
+RUN go build -v ./... 2>/dev/null || \
+    go list -m all && \
+    CGO_ENABLED=1 GOOS=linux GOARCH=arm64 \
+    go build -gcflags="-trimpath" -v \
+    $(go list -f '{{if .CgoFiles}}{{.ImportPath}}{{end}}' ./...) 2>/dev/null; exit 0
+
+RUN --mount=type=cache,target=/root/.cache/go-build \
+    --mount=type=cache,target=/go/pkg \
+    go mod download
+
+COPY . .
+
+# Build - reuse CGO cache
+RUN --mount=type=cache,target=/root/.cache/go-build \
+    --mount=type=cache,target=/go/pkg \
+    go build -o extractEmbeddings
+
+FROM scratch AS export
+COPY --from=builder /app/extractEmbeddings /extractEmbeddings
\ No newline at end of file
diff --git a/src/officesense_vision/extractEmbeddings/Makefile b/src/officesense_vision/extractEmbeddings/Makefile
new file mode 100644
index 0000000..f87430d
--- /dev/null
+++ b/src/officesense_vision/extractEmbeddings/Makefile
@@ -0,0 +1,10 @@
+all:
+	docker buildx build --platform linux/amd64 --cache-from type=local,src=./.docker-cache --cache-to type=local,dest=./.docker-cache --target export --output type=local,dest=./output .
+
+models:
+	wget https://github.com/Kagami/go-face-testdata/raw/master/models/shape_predictor_5_face_landmarks.dat
+	wget https://github.com/Kagami/go-face-testdata/raw/master/models/dlib_face_recognition_resnet_model_v1.dat
+	wget https://github.com/Kagami/go-face-testdata/raw/master/models/mmod_human_face_detector.dat
+
+clean:
+	rm -r output/
diff --git a/src/officesense_vision/extractEmbeddings/go.mod b/src/officesense_vision/extractEmbeddings/go.mod
new file mode 100644
index 0000000..11258c0
--- /dev/null
+++ b/src/officesense_vision/extractEmbeddings/go.mod
@@ -0,0 +1,8 @@
+module OfficeSense/extractEmbeddings
+
+go 1.26.3
+
+require (
+	github.com/Kagami/go-face v0.0.0-20210630145111-0c14797b4d0e
+	golang.org/x/image v0.41.0
+)
diff --git a/src/officesense_vision/extractEmbeddings/go.sum b/src/officesense_vision/extractEmbeddings/go.sum
new file mode 100644
index 0000000..8164ae0
--- /dev/null
+++ b/src/officesense_vision/extractEmbeddings/go.sum
@@ -0,0 +1,4 @@
+github.com/Kagami/go-face v0.0.0-20210630145111-0c14797b4d0e h1:lqIUFzxaqyYqUn4MhzAvSAh4wIte/iLNcIEWxpT/qbc=
+github.com/Kagami/go-face v0.0.0-20210630145111-0c14797b4d0e/go.mod h1:9wdDJkRgo3SGTcFwbQ7elVIQhIr2bbBjecuY7VoqmPU=
+golang.org/x/image v0.41.0 h1:8wS72eGJMJaBxK6okTzd4WaXumUlTVlb753MlsSvTCo=
+golang.org/x/image v0.41.0/go.mod h1:uIc348UZMSvS5Z65CVZ7iDPaNobNFEPeJ4kbqTOszmA=