build: make project deployable via docker/podman

Dockerfile

@@ -1,94 +1,8 @@
-# Global ARGs
-
-ARG WORKDIR_ROOT=/usr/src
-
-ARG PROJECT_NAME=learn_axum
-
-ARG BUILD_TARGET=x86_64-unknown-linux-musl
-
-ARG BUILD_MODE=release
-
-ARG BUILD_BIN=${PROJECT_NAME}
-
-###############################################################################
-
-FROM clux/muslrust:stable AS build
-
-# Import global ARGs
-ARG WORKDIR_ROOT
-ARG PROJECT_NAME
-ARG BUILD_TARGET
-ARG BUILD_MODE
-ARG BUILD_BIN
-
-WORKDIR ${WORKDIR_ROOT}
-
-# Docker build cache: Create and build an empty dummy project with all
-# external dependencies to avoid redownloading them on subsequent builds
-# if unchanged.
-RUN USER=root \
-    cargo new --bin ${PROJECT_NAME}
-WORKDIR ${WORKDIR_ROOT}/${PROJECT_NAME}
-
-COPY [ \
-    "Cargo.toml", \
-    "Cargo.lock", \
-    "./" ]
-
-# Build the dummy project(s), then delete all build artefacts that must(!) not be cached
-# RUN cargo build --${BUILD_MODE} --target ${BUILD_TARGET} 
-#\
-#   && \
-#   rm -f ./target/${BUILD_TARGET}/${BUILD_MODE}/${PROJECT_NAME}* \
-#   && \
-#   rm -f ./target/${BUILD_TARGET}/${BUILD_MODE}/deps/${PROJECT_NAME}-* \
-#   && \
-#   rm -rf ./target/${BUILD_TARGET}/${BUILD_MODE}/.fingerprint/${PROJECT_NAME}-*
-
-# Copy all project (re-)sources that are required for building (ordered alphabetically)
-COPY [ "migrations", "./migrations/" ]
-COPY [ "src", "./src/" ]
-
-# Test and build the actual project
-RUN cargo test --${BUILD_MODE} --target ${BUILD_TARGET} --workspace \
-    && \
-    cargo build --${BUILD_MODE} --target ${BUILD_TARGET} --bin ${BUILD_BIN} \
-    && \
-    strip ./target/${BUILD_TARGET}/${BUILD_MODE}/${BUILD_BIN}
-
-# Switch back to the root directory
-#
-# NOTE(2019-08-30, uklotzde): Otherwise copying from the build image fails
-# during all subsequent builds of the 2nd stage with an unchanged 1st stage
-# image. Tested with podman 1.5.x on Fedora 30.
-WORKDIR /
-
-
-###############################################################################
-# 2nd Build Stage
-FROM scratch
-
-# Import global ARGs
-ARG WORKDIR_ROOT
-ARG PROJECT_NAME
-ARG BUILD_TARGET
-ARG BUILD_MODE
-ARG BUILD_BIN
-
-ARG DATA_VOLUME="/volume"
-
-ARG EXPOSE_PORT=8080
-
-# Copy the statically-linked executable into the minimal scratch image
-COPY --from=build [ \
-    "${WORKDIR_ROOT}/${PROJECT_NAME}/target/${BUILD_TARGET}/${BUILD_MODE}/${BUILD_BIN}", \
-    "./entrypoint" ]
-
-EXPOSE ${EXPOSE_PORT}
-
-VOLUME [ ${DATA_VOLUME} ]
-
-# Bind the exposed port to Rocket that is used as the web framework
-ENV SERVER_PORT ${EXPOSE_PORT}
-
-ENTRYPOINT [ "./entrypoint" ]
+FROM docker.io/rust:1.75.0
+WORKDIR /app
+RUN apt update && apt install lld clang -y
+COPY . .
+ENV SQLX_OFFLINE true
+RUN cargo build --release
+ENV APP_ENVIRONMENT production
+ENTRYPOINT ["./target/release/learn_axum"]