build: add docker build with Ceres 2 (mapillary#702)

Summary:
Add a docker file that builds with Ceres 2. Add a github workflow to build and run tests on that dockerfile.

Pull Request resolved: mapillary#702

Reviewed By: YanNoun

Differential Revision: D26222552

Pulled By: paulinus

fbshipit-source-id: d0ba73062ed45f87a3c8740d3decd41aece8f300

.github/workflows/docker_ceres2.yml

@@ -0,0 +1,23 @@
+name: Docker CI
+
+on: [push, pull_request]
+
+jobs:
+
+  build-test:
+    name: Build docker installing CeresSolver 2 and run tests
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: true
+
+      - name: Build the Docker image
+        run: docker build . --file Dockerfile.ceres2 --tag mapillary/opensfm.ceres2:$GITHUB_SHA
+
+      - name: Run C++ tests
+        run: docker run mapillary/opensfm.ceres2:$GITHUB_SHA /bin/sh -c "cd cmake_build && ctest"
+
+      - name: Run Python tests
+        run: docker run mapillary/opensfm.ceres2:$GITHUB_SHA python3 -m pytest

Dockerfile.ceres2

@@ -0,0 +1,43 @@
+FROM ubuntu:20.04
+
+ARG DEBIAN_FRONTEND=noninteractive
+
+# Install apt-getable dependencies
+RUN apt-get update \
+    && apt-get install -y \
+        build-essential \
+        cmake \
+        git \
+        libeigen3-dev \
+        libgoogle-glog-dev \
+        libopencv-dev \
+        libsuitesparse-dev \
+        python3-dev \
+        python3-numpy \
+        python3-opencv \
+        python3-pip \
+        python3-pyproj \
+        python3-scipy \
+        python3-yaml \
+        curl \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+
+
+# Install Ceres 2
+RUN \
+    mkdir -p /source && cd /source && \
+    curl -L http://ceres-solver.org/ceres-solver-2.0.0.tar.gz | tar xz && \
+    cd /source/ceres-solver-2.0.0 && \
+    mkdir -p build && cd build && \
+    cmake .. -DCMAKE_C_FLAGS=-fPIC -DCMAKE_CXX_FLAGS=-fPIC -DBUILD_EXAMPLES=OFF -DBUILD_TESTING=OFF && \
+    make -j4 install && \
+    cd / && rm -rf /source/ceres-solver-2.0.0
+
+
+COPY . /source/OpenSfM
+
+WORKDIR /source/OpenSfM
+
+RUN pip3 install -r requirements.txt && \
+    python3 setup.py build