VENOM-488: Improve travis ci

* Move docker container build steps in to .travis.yml
* Remove now obsolete Dockerfile
* Create build matrix for ubuntu 18.04, 18.10 and debian buster

.circleci/config.yml

@@ -5,8 +5,8 @@ commands:
     steps:
       - run:
           name: Install dependencies
-          command: apt update
-            && apt install -y
+          command: apt-get -qq update
+            && apt-get -qq install -y
               clang
               cmake
               libconfig-dev
@@ -64,8 +64,8 @@ commands:
       - run:
           name: Bootstrap vala
           command: |
-            apt remove -y valac
-            apt install -y flex bison
+            apt-get -qq remove -y valac
+            apt-get -qq install -y flex bison
             wget https://download.gnome.org/sources/vala/0.43/vala-0.43.6.tar.xz
             tar -xJf vala-0.43.6.tar.xz
             cd vala-0.43.6

.travis.yml

@@ -1,15 +1,53 @@
-sudo: required
 language: generic
 services: [docker]
 
+matrix:
+  include:
+  - name: "Ubuntu 18.04"
+    env: DOCKER_IMAGE=ubuntu:18.04
+  - name: "Ubuntu 18.10"
+    env: DOCKER_IMAGE=ubuntu:18.10
+  - name: "Debian 10"
+    env: DOCKER_IMAGE=debian:buster
+
 install:
-  - docker build --tag test-image .
-  - docker run --detach --interactive --name test-image-container --volume "$(pwd)":/tmp/venom --workdir /tmp/venom test-image
+  - docker run --name image -it -d --volume "$(pwd)":/tmp/venom --workdir /tmp/venom $DOCKER_IMAGE
+  - docker exec image apt-get -qq update
+  - docker exec image apt-get -qq install -y
+      clang
+      cmake
+      libconfig-dev
+      libgtest-dev
+      libopus-dev
+      libsodium-dev
+      libvpx-dev
+      pkg-config
+      libgee-0.8-dev
+      libgspell-1-dev
+      libgtk-3-dev
+      libjson-glib-dev
+      libsoup2.4-dev
+      libsqlcipher-dev
+      libcanberra-dev
+      libgstreamer1.0-dev
+      libgstreamer-plugins-base1.0-dev
+      valac
+      python3-pip
+      wget
+      > /dev/null
+  - docker exec image pip3 install meson ninja
+  - docker exec image bash -c "wget 'https://github.com/TokTok/c-toxcore/archive/v0.2.9.tar.gz'
+      && tar -xzf v0.2.9.tar.gz
+      && cd c-toxcore-0.2.9
+      && cmake -DCMAKE_INSTALL_PREFIX=/usr
+      && make
+      && make install"
 
 script:
-  - docker exec test-image-container meson -D b_coverage=true build
-  - docker exec test-image-container ninja -C build
-  - docker exec test-image-container ninja -C build test
+  - docker exec image meson -D b_coverage=true build
+  - docker exec image ninja -C build
+  - docker exec image ninja -C build test
+  - docker exec image ninja -C build install
 
 after_success:
   - bash <(curl -s https://codecov.io/bash)