build: update docker example to bookworm

docker/Cargo.toml

@@ -3,7 +3,8 @@ name = "docker_sample"
 version = "1.0.0"
 edition = "2021"
 
+# Do not use workspace deps as they won't work in docker context.
 [dependencies]
-actix-web.workspace = true
-env_logger.workspace = true
-log.workspace = true
+actix-web = "4"
+env_logger = "0.11"
+log = "0.4"

docker/Dockerfile

@@ -3,7 +3,7 @@
 #################
 ## build stage ##
 #################
-FROM rust:1-slim-bullseye AS builder
+FROM rust:1-slim-bookworm AS builder
 WORKDIR /code
 
 # Download crates-io index and fetch dependency code.
@@ -22,7 +22,7 @@ RUN cargo build --release
 ###############
 ## run stage ##
 ###############
-FROM debian:bullseye-slim
+FROM bitnami/minideb:bookworm
 WORKDIR /app
 
 # copy server binary from build stage

docker/README.MD → docker/README.md

@@ -3,20 +3,20 @@
 ## Build image
 
 ```shell
-docker build -t docker_sample .
+docker build -t actix-docker .
 ```
 
 ## Run built image
 
 ```shell
-docker run -d -p 8080:8080 docker_sample
+docker run -d -p 8080:8080 actix-docker
 # and the server should start instantly
 curl http://localhost:8080
 ```
 
 ## Running unit tests
 
 ```shell
-docker build -t docker_sample:test .
-docker run --rm docker_sample:test
+docker build -t actix-docker:test .
+docker run --rm actix-docker:test
 ```