Tidy up storege artifact build flags

* Simplify test build features handling
* Build only necessary binaries during the release build

.github/workflows/build_and_test.yml

@@ -101,7 +101,7 @@ jobs:
           if [[ $BUILD_TYPE == "debug" ]]; then
             cov_prefix="scripts/coverage --profraw-prefix=$GITHUB_JOB --dir=/tmp/coverage run"
             CARGO_FEATURES="--features failpoints"
-            CARGO_FLAGS="--locked --timings"
+            CARGO_FLAGS="--locked --timings $CARGO_FEATURES"
           elif [[ $BUILD_TYPE == "release" ]]; then
             cov_prefix=""
             CARGO_FEATURES="--features failpoints,profiling"
@@ -160,7 +160,7 @@ jobs:
 
       - name: Run cargo build
         run: |
-          ${cov_prefix} mold -run cargo build $CARGO_FLAGS --features failpoints --bins --tests
+          ${cov_prefix} mold -run cargo build $CARGO_FLAGS --bins --tests
         shell: bash -euxo pipefail {0}
 
       - name: Run cargo test

Dockerfile

@@ -44,7 +44,7 @@ COPY . .
 # Show build caching stats to check if it was used in the end.
 # Has to be the part of the same RUN since cachepot daemon is killed in the end of this RUN, losing the compilation stats.
 RUN set -e \
-&& mold -run cargo build --locked --release \
+&& mold -run cargo build --bin pageserver --bin safekeeper --bin proxy --locked --release \
     && cachepot -s
 
 # Build final image