Update dockerfile for go 1.14 and compose config

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.11.2
+FROM golang:1.14.4
 
 # Don't run tests as root so we can play with permissions
 RUN useradd --create-home --user-group app

docker-compose.yml

@@ -1,7 +1,12 @@
-gotidus:
-  image: gotidus
-  links:
-    - 'gotiduspgdb:pgdb'
+version: '3.8'
 
-gotiduspgdb:
-  image: postgres
+services:
+  gotidus:
+    build: ./
+    depends_on:
+      - 'gotiduspgdb'
+
+  gotiduspgdb:
+    image: postgres
+    environment:
+      POSTGRES_PASSWORD: 'ci'

e2etests/config_docker.go

@@ -2,4 +2,4 @@
 
 package e2etests
 
-var PGURI = "postgres://postgres@pgdb:5432/postgres?sslmode=disable"
+var PGURI = "postgres://postgres:ci@gotiduspgdb:5432/postgres?sslmode=disable"