feat: add auto update

agent/Dockerfile

@@ -3,34 +3,30 @@ FROM rust:slim AS builder
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
     protobuf-compiler \
-    pkg-config \
-    libssl-dev \
+    musl-tools \
     && rm -rf /var/lib/apt/lists/*
 
+RUN rustup target add x86_64-unknown-linux-musl
+
 WORKDIR /src
 
-# Copy proto first (referenced by build.rs as ../proto/...)
 COPY proto/ ./proto/
 
-# Cache dependencies: copy manifests, build with dummy main, then discard.
 COPY agent/Cargo.toml agent/Cargo.lock ./agent/
 COPY agent/build.rs ./agent/
 WORKDIR /src/agent
 RUN mkdir src && echo "fn main(){}" > src/main.rs && \
-    cargo build --release && \
+    cargo build --release --target x86_64-unknown-linux-musl && \
     rm -rf src
 
-# Full build.
 COPY agent/src ./src
-RUN touch src/main.rs && cargo build --release
+RUN touch src/main.rs && cargo build --release --target x86_64-unknown-linux-musl
 
 # ── Runtime ───────────────────────────────────────────────────────────────────
-FROM debian:bookworm-slim
+FROM alpine:3.19
 
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    ca-certificates \
-    && rm -rf /var/lib/apt/lists/*
+RUN apk add --no-cache ca-certificates docker-cli
 
-COPY --from=builder /src/agent/target/release/containarr-agent /usr/local/bin/containarr-agent
+COPY --from=builder /src/agent/target/x86_64-unknown-linux-musl/release/containarr-agent /usr/local/bin/containarr-agent
 
 ENTRYPOINT ["containarr-agent"]