Update Dockerfile

Dockerfile

@@ -1,41 +1,29 @@
-ARG RUST_VERSION=1.75.0
-ARG APP_NAME=minecraft_schematics_web
+# Global build arguments
+ARG RUST_VERSION=1.92.0
 
+# -----------
+# Build stage
+# -----------
 FROM rust:${RUST_VERSION}-slim-bullseye AS build
-
-# RUN apt-get update && apt-get install -y pkg-config libssl-dev
-
-ARG APP_NAME
+# All build operations happen here
 WORKDIR /app
-
-RUN --mount=type=bind,source=src,target=src \
-    --mount=type=bind,source=Cargo.toml,target=Cargo.toml \
-    --mount=type=bind,source=Cargo.lock,target=Cargo.lock \
+# Build the application using Docker BuildKit mounts:
+# - bind mounts for source files (not baked into the image)
+# - cache mounts for faster incremental builds
+RUN --mount=type=bind,source=src,target=src,readonly \
+    --mount=type=bind,source=Cargo.toml,target=Cargo.toml,readonly \
+    --mount=type=bind,source=Cargo.lock,target=Cargo.lock,readonly \
     --mount=type=cache,target=/app/target \
     --mount=type=cache,target=/usr/local/cargo/registry \
-    <<EOF
-set -e
-cargo build --locked --release
-cp ./target/release/$APP_NAME /bin/server
-EOF
+    cargo build --release --locked && \
+    install -m 0755 target/release/minecraft_schematics_web /bin/minecraft_schematics_web
 
+# -------------
+# Runtime stage
+# -------------
 FROM debian:bullseye-slim AS final
+# Copy only the compiled binary from the build stage
+COPY --from=build /bin/minecraft_schematics_web /bin/
+# Run the binary
+CMD ["/bin/minecraft_schematics_web"]
 
-# RUN apt-get update && apt-get install -y ca-certificates
-
-ENV PUID=1000 PGID=1000
-
-RUN adduser \
-    --disabled-password \
-    --gecos "" \
-    --home "/nonexistent" \
-    --shell "/sbin/nologin" \
-    --no-create-home \
-    --uid "${PUID}" \
-    appuser
-
-USER appuser
-
-COPY --from=build /bin/server /bin/
-
-CMD ["/bin/server"]