Refactor Dockerfile to streamline build process and remove unnecessar…

…y stages

Dockerfile

@@ -1,26 +1,14 @@
-# syntax=docker/dockerfile:1
 
-# Define build arguments for Rust version and application name
 ARG RUST_VERSION=1.81.0
 ARG APP_NAME=memo
 
 ################################################################################
-# Stage 1: Build the application
+# Create a stage for building the application.
 
-FROM rust:${RUST_VERSION}-alpine AS build
+FROM rust:${RUST_VERSION} AS build
 ARG APP_NAME
 WORKDIR /app
 
-# Install build dependencies
-RUN apk add --no-cache clang lld musl-dev git pkgconfig openssl-dev
-
-# Set OpenSSL environment variables for static linking
-ENV OPENSSL_DIR=/usr
-ENV OPENSSL_LIB_DIR=/usr/lib
-ENV OPENSSL_INCLUDE_DIR=/usr/include
-ENV OPENSSL_STATIC=1
-
-# Leverage caching for dependencies and bind mounts for source files
 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 \
@@ -30,28 +18,7 @@ RUN --mount=type=bind,source=src,target=src \
     cargo build --locked --release && \
     cp ./target/release/$APP_NAME /bin/server
 
-################################################################################
-# Stage 2: Prepare the runtime environment
-
-FROM alpine:3.18 AS final
-
-# Create a non-privileged user for the application
-ARG UID=10001
-RUN adduser \
-    --disabled-password \
-    --gecos "" \
-    --home "/nonexistent" \
-    --shell "/sbin/nologin" \
-    --no-create-home \
-    --uid "${UID}" \
-    appuser
-USER appuser
-
-# Copy the built binary from the build stage
-COPY --from=build /bin/server /bin/
 
-# Expose the application port
 EXPOSE 8000
 
-# Specify the command to run the application
 CMD ["/bin/server"]