Merge branch 'ci' into 'master'

CI

See merge request !1

.gitlab-ci.yml

 image: "rust:latest"
 
 variables:
-  DATABASE_URL: postgresql:///postgres:postgres@postgres/sparkplug
+  DATABASE_URL: postgresql://postgres:postgres@postgres/sparkplug
 
 services:
   - postgres:10.1
@@ -14,13 +14,13 @@ before_script:
   - rustup component add rustfmt
   - rustup component add clippy
   - cargo install sqlx-cli
+  - sqlx database create
+  - sqlx migrate run
 
 test:
   stage: test
   script:
     - cp ci.toml config.toml
-    - sqlx database create
-    - sqlx migrate run
     - cargo fmt -- --check
     - cargo clippy --all-targets --all-features -- -D warnings
     - cargo test