Adding a build step

.gitlab-ci.yml

@@ -1,7 +1,8 @@
 stages:
     - test
+    - build
 
-test stable:
+linux test stable:
   image: scorpil/rust:stable
   stage: test
   script:
@@ -10,11 +11,12 @@ test stable:
     - cargo test
   only:
     - master
+    - develop
   tags:
     - docker
   allow_failure: false
 
-test beta:
+linux test beta:
   image: scorpil/rust:beta
   stage: test
   script:
@@ -22,12 +24,12 @@ test beta:
     - cargo -V
     - cargo test
   only:
-    - master
+    - develop
   tags:
     - docker
   allow_failure: true
 
-test nightly:
+linux test nightly:
   image: scorpil/rust:nightly
   stage: test
   script:
@@ -35,8 +37,42 @@ test nightly:
     - cargo -V
     - cargo test
   only:
-    - master
+    - develop
   tags:
     - docker
   allow_failure: true
 
+linux build stable release:
+  image: scorpil/rust:stable
+  stage: build
+  script:
+    - rustc -V
+    - cargo -V
+    - cargo build --release
+  artifacts:
+    paths:
+      - target/release/*.so
+      - target/release/pihash
+  only:
+    - master
+    - develop
+  tags:
+    - docker
+  allow_failure: false
+
+linux build nightly release:
+  image: scorpil/rust:nightly
+  stage: build
+  script:
+    - rustc -V
+    - cargo -V
+    - cargo build --release
+  artifacts:
+    paths:
+      - target/release/*.so
+      - target/release/pihash
+  only:
+    - develop
+  tags:
+    - docker
+  allow_failure: true