From 13a8d6b335a940a378b9f3c93a16444389a42d6a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Leonardo=20Pi=C3=B1eyro?= <leopiney@gmail.com>
Date: Wed, 20 Feb 2019 22:44:25 -0300
Subject: [PATCH 1/2] Added Dockerfile definition

---
 Dockerfile         | 49 ++++++++++++++++++++++++++++++++++++++++++++++
 docker-compose.yml |  2 ++
 2 files changed, 51 insertions(+)
 create mode 100644 Dockerfile
 create mode 100644 docker-compose.yml

diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 00000000..4158addc
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,49 @@
+# 
+# NOTE: Tried with Haskell 8.2 and 8.0 and ended up with some build errors
+#
+FROM haskell:8.4
+
+RUN mkdir /grenade
+COPY . /grenade
+
+# 
+# Install system dependencies
+# 
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    gfortran \
+    libatlas-base-dev \
+    libgsl0-dev \
+    liblapack-dev \
+    python \
+    wget
+
+#
+# Install Open Blas (with Lapack included)
+# This is a depencency for building hmatrix package
+#
+ENV OPEN_BLAS_VER=0.2.20
+RUN wget http://github.com/xianyi/OpenBLAS/archive/v$OPEN_BLAS_VER.tar.gz
+RUN tar -xzvf v$OPEN_BLAS_VER.tar.gz
+
+WORKDIR /OpenBLAS-$OPEN_BLAS_VER
+RUN ls -la
+RUN make FC=gfortran
+RUN make PREFIX=/usr/local install
+
+#
+# Build and setup grenade
+#
+WORKDIR /grenade
+
+RUN stack init
+RUN stack setup --install-ghc
+RUN stack build
+
+# Optional GHCI prompt configuration
+RUN echo ':set prompt "\ESC[34mλ> \ESC[m"' > ~/.ghci
+
+#
+# Run GHC repl
+#
+CMD [ "stack", "ghci" ]
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 00000000..b638e708
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,2 @@
+grenade:
+  build: .

From 8a90770054e239bf43e4d65354bc93f57c632384 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Leonardo=20Pi=C3=B1eyro?= <leopiney@gmail.com>
Date: Sun, 24 Feb 2019 18:44:54 -0300
Subject: [PATCH 2/2] Updated default command to run specified main on
 environment variable

---
 Dockerfile | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index 4158addc..c1f01684 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -43,7 +43,12 @@ RUN stack build
 # Optional GHCI prompt configuration
 RUN echo ':set prompt "\ESC[34mλ> \ESC[m"' > ~/.ghci
 
+#
+# Choose default main object to run GHCI
+#
+ENV GRENADE_MAIN=mnist
+
 #
 # Run GHC repl
 #
-CMD [ "stack", "ghci" ]
\ No newline at end of file
+CMD stack ghci --main-is grenade-examples:exe:$GRENADE_MAIN
\ No newline at end of file