fix: Drastically simplify dockerfile

Dockerfile

@@ -1,66 +1,16 @@
 # syntax=docker/dockerfile:1
 
-# Comments are provided throughout this file to help you get started.
-# If you need more help, visit the Dockerfile reference guide at
-# https://docs.docker.com/go/dockerfile-reference/
+ARG RUST_VERSION=1.78
 
-# Want to help us make this template better? Share your feedback here: https://forms.gle/ybq9Krt8jtBL3iCk7
-
-ARG RUST_VERSION=1.77.2
-ARG APP_NAME=prodzilla
-
-################################################################################
-# xx is a helper for cross-compilation.
-# See https://github.com/tonistiigi/xx/ for more information.
-FROM --platform=$BUILDPLATFORM tonistiigi/xx:1.3.0 AS xx
-
-################################################################################
-# Create a stage for building the application.
 FROM --platform=$BUILDPLATFORM rust:${RUST_VERSION}-alpine AS build
-ARG APP_NAME
-WORKDIR /app
 
-# Copy cross compilation utilities from the xx stage.
-COPY --from=xx / /
-
-# Install host build dependencies.
-RUN apk add --no-cache clang lld musl-dev git file libressl-dev pkgconfig
-
-# This is the architecture you’re building for, which is passed in by the builder.
-# Placing it here allows the previous steps to be cached across architectures.
-ARG TARGETPLATFORM
+WORKDIR /app
 
-# Install cross compilation build dependencies.
-RUN xx-apk add --no-cache musl-dev gcc
+RUN apk add --no-cache musl-dev libressl-dev
 
-# Build the application.
-# Leverage a cache mount to /usr/local/cargo/registry/
-# for downloaded dependencies, a cache mount to /usr/local/cargo/git/db
-# for git repository dependencies, and a cache mount to /app/target/ for 
-# compiled dependencies which will speed up subsequent builds.
-# Leverage a bind mount to the src directory to avoid having to copy the
-# source code into the container. Once built, copy the executable to an
-# output directory before the cache mounted /app/target is unmounted.
-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 \
-    --mount=type=cache,target=/app/target/,id=rust-cache-${APP_NAME}-${TARGETPLATFORM} \
-    --mount=type=cache,target=/usr/local/cargo/git/db \
-    --mount=type=cache,target=/usr/local/cargo/registry/ \
-xx-cargo build --locked --release --target-dir ./target && \
-cp ./target/$(xx-cargo --print-target-triple)/release/$APP_NAME /bin/$APP_NAME && \
-xx-verify /bin/$APP_NAME
+COPY . .
+RUN cargo build --locked --release --target-dir target && cp ./target/release/prodzilla /bin/prodzilla
 
-################################################################################
-# Create a new stage for running the application that contains the minimal
-# runtime dependencies for the application. This often uses a different base
-# image from the build stage where the necessary files are copied from the build
-# stage.
-#
-# The example below uses the alpine image as the foundation for running the app.
-# By specifying the "3.18" tag, it will use version 3.18 of alpine. If
-# reproducability is important, consider using a digest
-# (e.g., alpine@sha256:664888ac9cfd28068e062c991ebcff4b4c7307dc8dd4df9e728bedde5c449d91).
 FROM alpine:3.18 AS final
 
 # Create a non-privileged user that the app will run under.
@@ -77,7 +27,7 @@ RUN adduser \
 USER appuser
 
 # Copy the executable from the "build" stage.
-COPY --from=build /bin/$APP_NAME /bin/
+COPY --from=build /bin/prodzilla /bin/
 
 # Expose the port that the application listens on.
 EXPOSE 3000