fix: unable to load env var through docker compose

- Use arguments from command line instead of environment variables.
- Environment in docker compose seems different from docker run -e, which can't be loaded in images from scratch.

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "gpts-code-analyst"
-version = "1.1.1"
+version = "1.1.2"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@@ -18,5 +18,6 @@ async-std = "1.12.0"
 awc = { version = "3.2.0", features = ["rustls-0_21"] }
 env_logger = "0.10.1"
 log = "0.4.20"
+pico-args = { version = "0.5.0", features = ["short-space-opt"] }
 serde = { version = "1.0.193", features = ["derive"] }
 serde_json = "1.0.108"

Dockerfile

@@ -7,4 +7,4 @@ RUN apk add --update --no-cache musl-dev &&\
 FROM scratch
 COPY --from=builder /workdir/target/release/gpts-code-analyst /
 COPY --from=builder /workdir/static /static
-CMD ["/gpts-code-analyst"]
+ENTRYPOINT ["/gpts-code-analyst"]

README.md

@@ -12,7 +12,7 @@ Github Code Analyst over GPTs
 ```sh
 PORT=8080 # 改成你的端口号
 GITHUB_TOKEN=xxxxxxxxxxxxxx # 改成你的Github Token
-docker run -d --name code-analyst -p $PORT:8080 -e GITHUB_TOKEN=$GITHUB_TOKEN hlf01/gpts-code-analyst
+docker run -d --name code-analyst -p $PORT:8080 hlf01/gpts-code-analyst --token $GITHUB_TOKEN
 ```
 
 ## Docker构建

src/requests.rs

@@ -1,5 +1,5 @@
 use async_std::io::{Error, ErrorKind, Result};
-use std::env::var;
+use pico_args::Arguments;
 
 pub async fn get(url: &str) -> Result<String> {
     let client = awc::Client::builder()
@@ -8,7 +8,8 @@ pub async fn get(url: &str) -> Result<String> {
 
     let mut request = client.get(url).insert_header(("User-Agent", "Actix-web"));
 
-    if let Ok(github_token) = var("GITHUB_TOKEN") {
+    let mut args = Arguments::from_env();
+    if let Ok(github_token) = args.value_from_str::<&str, String>("--token") {
         request = request.insert_header(("Authorization", format!("Bearer {}", github_token)));
     } else {
         return Err(Error::new(