Modify .env to fit production standard

Now the `.env` file should be set properly to get the project to work and provides better guidance.

Signed-off-by: Ruoqing He <[email protected]>

.env

@@ -1,38 +1,40 @@
-# If you followed the installation guide, you can use below URL directly, comment it the otherwise.
-MEGA_DB_POSTGRESQL_URL = "postgres://mega:[email protected]/mega"
-# If you changed any of the username, password or host, you will need to uncomment the following line and replace the placeholders manually.
-#MEGA_DB_POSTGRESQL_URL = "postgres://<username>:<password>@<host>/mega"
-# Or if you are using mysql
-#MEGA_DB_MYSQL_URL = "mysql://<username>:<password>@<host>/mega"
+# Fillin the following environment variables with values you set
+DB = "" # {postgres, mysql}
+DB_USERNAME = ""
+DB_PASSWORD = ""
+DB_HOST = ""
+
+MEGA_DB_POSTGRESQL_URL = "${DB}://${DB_USERNAME}:${DB_PASSWORD}@${DB_HOST}/mega"
+MEGA_DB_MYSQL_URL = "${DB}://${DB_USERNAME}:${DB_PASSWORD}@${DB_HOST}/mega"
 MEGA_DB_MAX_CONNECTIONS = 32
 MEGA_DB_MIN_CONNECTIONS = 16
 
-#MEGA_DB_SQLX_LOGGING = false # Whether to enabling SQLx Log
-
-## Mega SSH key path 
-#MEGA_SSH_KEY = "/tmp/.mega/ssh"
 MEGA_DB_SQLX_LOGGING = false # Whether to disabling SQLx Log
 
+# Mega SSH key path 
+MEGA_SSH_KEY = "/tmp/.mega/ssh"
+
 ## file storage configuration
 MEGA_OBJ_STORAGR_TYPE = "LOCAL" # LOCAL or REMOTE
+MEGA_OBJ_LOCAL_PATH = "/tmp/.mega/objects" # This configuration is used to set the local path of the project storage
 
-#MEGA_OBJ_REMOTE_REGION = "cn-east-3" # Remote cloud storage region
-#MEGA_OBJ_REMOTE_ENDPOINT = "https://obs.cn-east-3.myhuaweicloud.com" # Override the endpoint URL used for remote storage services
+MEGA_OBJ_REMOTE_REGION = "cn-east-3" # Remote cloud storage region
+MEGA_OBJ_REMOTE_ENDPOINT = "https://obs.cn-east-3.myhuaweicloud.com" # Override the endpoint URL used for remote storage services
 
-MEGA_OBJ_LOCAL_PATH = "/tmp/.mega" # This configuration is used to set the local path of the project storage
 MEGA_BIG_OBJ_THRESHOLD_SIZE = 1024 # Unit KB. If the object file size exceeds the threshold value, it will be handled by file storage instead of the database.
 
 ## Init directory configuration
 MEGA_INIT_DIRS = "projects,docs,third_parts" # init these repo directories in mega init command
 MEGA_IMPORT_DIRS = "third_parts" # Only import directory support multi-branch commit and tag, repo under regular directory only support main branch only
-GIT_INTERNAL_DECODE_CACHE_SIZE = 100 # Maximum number of git objects in LRU cache
-GIT_INTERNAL_DECODE_STORAGE_BATCH_SIZE = 1000 # The maximum number of git object in a "INSERT" SQL database operation
-GIT_INTERNAL_DECODE_STORAGE_TQUEUE_SIZE = 1 # The maximum number of parallel insertion threads in the database operation queue
-GIT_INTERNAL_DECODE_CACHE_TYEP = "redis" # {lru,redis}
+
+GIT_INTERNAL_DECODE_CACHE_SIZE = 1000 # Maximum number of git objects in LRU cache
+GIT_INTERNAL_DECODE_STORAGE_BATCH_SIZE = 10000 # The maximum number of git object in a "INSERT" SQL database operation
+GIT_INTERNAL_DECODE_STORAGE_TQUEUE_SIZE = 10 # The maximum number of parallel insertion threads in the database operation queue
+GIT_INTERNAL_DECODE_CACHE_TYEP = "lru" # {lru,redis}
 REDIS_CONFIG = "redis://127.0.0.1:6379"
 
-## Bazel build config, you can use service like buildfarm to enable RBE(remote build execution)
-# you can refer to https://bazelbuild.github.io/bazel-buildfarm/docs/quick_start/ for more details about remote executor
+## Bazel build configuration
+## you can use service like buildfarm to enable RBE(remote build execution), refer to https://bazelbuild.github.io/bazel-buildfarm/docs/quick_start/ for more details about remote executor
 BAZEL_BUILD_ENABLE = false # leave true if you want to trigger bazel build in each push process
 BAZEL_BUILDP_PATH = "/tmp/.mega/bazel_build_projects" # Specify a temporary directory to build the project with bazel
 BAZEL_REMOTE_EXECUTOR = "grpc://localhost:8980" # If enable the remote executor, please fillin the remote executor address, or else leave empty if you want to build by localhost.