Update env and compose examples, fix distance formatting

Improved comments and guidance in .env.example for DB variables, clarified volume path in docker-compose.yml.example #336
Fixed formatDistanceRaw usage in UserGoalsStatsComponent.vue by adding the missing argument.

.env.example

@@ -2,15 +2,17 @@
 # These are just the variable you have to set to be up and running.
 # There is many more variable you could set. Check them out here: https://docs.endurain.com/getting-started/advanced-started/#supported-environment-variables
 
-DB_PASSWORD=changeme
-POSTGRES_PASSWORD=changeme
+DB_PASSWORD=changeme # Set a strong password here. Check if there are no trailing whitespaces in the beginning and end. Must be the same as POSTGRES_PASSWORD
+POSTGRES_PASSWORD=changeme # Must be the same as DB_PASSWORD
 SECRET_KEY=changeme
 FERNET_KEY=changeme
 TZ=Europe/Lisbon
 ENDURAIN_HOST=https://endurain.example.com
 BEHIND_PROXY=true
-POSTGRES_DB=endurain
-POSTGRES_USER=endurain
+POSTGRES_DB=endurain # If you change this, you also have to change DB_DATABASE
+# DB_DATABASE=endurain # Uncomment and set it to the same as POSTGRES_DB if you change it
+POSTGRES_USER=endurain # If you change this, you also have to change DB_USER
+# DB_USER=endurain # Uncomment and set it to the same as POSTGRES_USER if you change it
 PGDATA=/var/lib/postgresql/data/pgdata
 
 # Email configuration (for password reset functionality)

docker-compose.yml.example

@@ -27,5 +27,5 @@ services:
       timeout: 5s
       retries: 5
     volumes:
-      - /opt/endurain/postgres:/var/lib/postgresql/data
+      - <local_path>/endurain/postgres:/var/lib/postgresql/data
     restart: unless-stopped

frontend/app/src/components/Users/UserGoalsStatsComponent.vue

@@ -43,7 +43,7 @@
             }}{{ goal.goal_activities_number }} {{ $t('userGoalsStatsComponent.activities') }}</span
           >
           <span v-if="goal.goal_type === 3"
-            >{{ formatDistanceRaw(t, goal.total_distance, authStore.user.units)
+            >{{ formatDistanceRaw(t, goal.total_distance, authStore.user.units, false)
             }}{{ $t('generalItems.ofWithSpaces')
             }}{{ formatDistanceRaw(t, goal.goal_distance, authStore.user.units) }}</span
           >