update backend scripts

backend/scripts/Makefile

@@ -1,11 +1,10 @@
-.EXPORT_ALL_VARIABLES:
-export DB_USER=postgres
-export DB_PASSWORD=password
-export DB_NAME=flowy
-export DB_PORT=5433
-export DATABASE_URL=postgres://${DB_USER}:${DB_PASSWORD}@localhost:${DB_PORT}/${DB_NAME}
-export ROOT = "./scripts/database"
-export DB_HOST = "localhost"
+#.EXPORT_ALL_VARIABLES:
+#export DB_USER=postgres
+#export DB_PASSWORD=password
+#export DB_NAME=flowy
+#export DB_PORT=5433
+#export DATABASE_URL=postgres://${DB_USER}:${DB_PASSWORD}@localhost:${DB_PORT}/${DB_NAME}
+#export DB_HOST = "localhost"
 
 init_database:
 	${ROOT}/init_database.sh

backend/scripts/init_database.sh

@@ -13,11 +13,17 @@ fi
 if ! [ -x "$(command -v sqlx)" ]; then
   echo >&2 "Error: `sqlx` is not installed."
   echo >&2 "Use:"
-  echo >&2 "    cargo install --version=^0.5.6 sqlx-cli --no-default-features --features postgres"
+  echo >&2 "    cargo install --version=^0.5.7 sqlx-cli --no-default-features --features postgres"
   echo >&2 "to install it."
   exit 1
 fi
 
+DB_USER="${POSTGRES_USER:=postgres}"
+DB_PASSWORD="${POSTGRES_PASSWORD:=password}"
+DB_PORT="${POSTGRES_PORT:=5433}"
+DB_HOST="${POSTGRES_HOST:=localhost}"
+DB_NAME="${POSTGRES_DB:=flowy}"
+
 if [[ -z "${SKIP_DOCKER}" ]]
 then
   RUNNING_POSTGRES_CONTAINER=$(docker ps --filter 'name=postgres' --format '{{.ID}}')
@@ -28,12 +34,12 @@ then
   fi
 
   docker run \
-      --name="flowy" \
       -e POSTGRES_USER=${DB_USER} \
       -e POSTGRES_PASSWORD=${DB_PASSWORD} \
-      -e POSTGRES_DB=${DB_NAME} \
+      -e POSTGRES_DB="${DB_NAME}" \
       -p "${DB_PORT}":5432 \
       -d postgres \
+      --name "postgres_$(date '+%s')" \
       postgres -N 1000
 fi