[fix] Fixed issue #12 Docker image for reproductible builds

.releng/Dockerfile

+FROM buildpack-deps:18.04-curl
+LABEL maintainer="Laurent Wouters <lwouters@cenotelie.fr>" vendor="Logilab SA" description="Build environment for the CubicWeb Linked Data Browser"
+RUN curl -sL https://deb.nodesource.com/setup_10.x | bash -
+RUN apt-get update && apt-get dist-upgrade -y && apt-get install -y --no-install-recommends \
+		build-essential mercurial nodejs
+RUN mkdir /npm
+RUN chmod -R a+rwX /npm
\ No newline at end of file

.releng/README.md

+## Release Engineering ##
+
+This folder contains the definition of the build environment for this project as a Docker image.
+
+* `build-env.sh`: Script to build the Docker image that contains the build environment
+* `build-src.sh`: Script to build the application sources. It is meant to be called from within the build environment.

.releng/build-env.sh

+#!/bin/sh
+
+# Build the build environment as a Docker image
+
+SCRIPT="$(readlink -f "$0")"
+RELENG="$(dirname "$SCRIPT")"
+ROOT="$(dirname "$RELENG")"
+
+VERSION=$(hg -R "$ROOT" id -n)
+HASH=$(hg -R "$ROOT" --debug id -i)
+
+# Build the new image
+docker build --tag "logilab/ld-build-env:$VERSION"  --rm --label version="$VERSION" --label changeset="$HASH" "$RELENG"
+docker tag "logilab/ld-build-env:$VERSION" "logilab/ld-build-env:latest"

.releng/build-src.sh

+#!/bin/sh
+
+# Build the sources
+
+SCRIPT="$(readlink -f "$0")"
+RELENG="$(dirname "$SCRIPT")"
+ROOT="$(dirname "$RELENG")"
+
+VERSION=$(hg -R "$ROOT" id -n)
+HASH=$(hg -R "$ROOT" --debug id -i)
+
+echo ""
+echo "=========================================="
+echo "= Building @logilab/libview"
+echo "=========================================="
+(cd "$ROOT/libview"; rm -rf build)
+(cd "$ROOT/libview"; npm install)
+(cd "$ROOT/libview"; npm run build)
+
+echo ""
+echo "=========================================="
+echo "= Building @logilab/views-logilab"
+echo "=========================================="
+(cd "$ROOT/views-logilab"; rm -rf build)
+(cd "$ROOT/views-logilab"; rm -rf node_modules/@logilab/libview)
+(cd "$ROOT/views-logilab"; npm install)
+(cd "$ROOT/views-logilab"; npm run build)
+
+echo ""
+echo "=========================================="
+echo "= Building @logilab/ld-browser"
+echo "=========================================="
+(cd "$ROOT/extension"; rm -rf build)
+(cd "$ROOT/extension"; rm -rf node_modules/@logilab/libview)
+(cd "$ROOT/extension"; npm install)
+(cd "$ROOT/extension"; npm run build)

README.md

@@ -26,6 +26,21 @@ A view itself is defined by two artifacts: a descriptor (JSON object) and an imp
 For the browser to detect and use the view, a corresponding source has to be added in the browser's configuration, pointing to the location of the descriptor.
 The descriptor then points to the location of the Javascript file containing the implementation that can be dynamically loaded by the browser.
 
+## How to build
+
+This project uses a build environment defined as a Docker image (you will need Docker to build).
+Optionnaly, to re-create the build environment, execute:
+
+```sh
+./.releng/build-env.sh
+```
+
+To build the project, simply run:
+
+```sh
+./build.sh
+```
+
 ## How to use
 
 The first step is to build all the artifacts in this repository:

build.sh

@@ -6,31 +6,11 @@ ROOT="$(dirname "$SCRIPT")"
 VERSION=$(hg -R "$ROOT" id -n)
 HASH=$(hg -R "$ROOT" --debug id -i)
 
-echo ""
-echo "=========================================="
-echo "= Building @logilab/libview"
-echo "=========================================="
-(cd "$ROOT/libview"; rm -rf build)
-(cd "$ROOT/libview"; npm install)
-(cd "$ROOT/libview"; npm run build)
+# Cleanup
+hg -R "$ROOT" purge --all
 
-echo ""
-echo "=========================================="
-echo "= Building @logilab/views-logilab"
-echo "=========================================="
-(cd "$ROOT/views-logilab"; rm -rf build)
-(cd "$ROOT/views-logilab"; rm -rf node_modules/@logilab/libview)
-(cd "$ROOT/views-logilab"; npm install)
-(cd "$ROOT/views-logilab"; npm run build)
-
-echo ""
-echo "=========================================="
-echo "= Building @logilab/ld-browser"
-echo "=========================================="
-(cd "$ROOT/extension"; rm -rf build)
-(cd "$ROOT/extension"; rm -rf node_modules/@logilab/libview)
-(cd "$ROOT/extension"; npm install)
-(cd "$ROOT/extension"; npm run build)
+# Execute the build
+docker run -it --rm --user=$(id -u) --group-add=$(id -g) -v "$ROOT:/src" -e "HOME=/npm" "logilab/ld-build-env:latest" /src/.releng/build-src.sh
 
 # Build the new image
 docker build --tag "logilab/ld-demo-views:$VERSION"  --rm --label version="$VERSION" --label changeset="$HASH" "$ROOT/views-logilab"