ci: Reduce file size of cabal and stack based builds

By passing -split-sections to all dependencies, GHC will link only the
modules we actually use and not the full package for each dependency.

Stripping unused symbols in CI will further decrease the size of those files.

.github/scripts/arm/build.sh

@@ -57,8 +57,11 @@ cd postgrest
 git checkout $PGRST_GITHUB_COMMIT
 cabal v2-update && cabal v2-build
 
-# Copy the built binary to the Dockerfile directory
+# Strip unused symbols from executable
 PGRST_BIN=$(cabal exec which postgrest | tail -1)
+strip $PGRST_BIN
+
+# Copy the built binary to the Dockerfile directory
 cp $PGRST_BIN ~/$DOCKER_BUILD_DIR
 
 # Move and compress the built binary

.github/workflows/ci.yaml

@@ -207,6 +207,8 @@ jobs:
         run: ${{ matrix.deps }}
       - name: Build with Stack
         run: stack build --local-bin-path result --copy-bins
+      - name: Strip Executable
+        run: strip result/postgrest*
       - name: Save built executable as artifact
         uses: actions/upload-artifact@v4
         with:

cabal.project.non-nix

@@ -4,6 +4,9 @@
 
 packages: .
 
+package *
+  ghc-options: -split-sections
+
 -- Example of depending on a forked repository (the same dependency
 -- would be mentioned in nix/overlays/haskell-packages.nix and
 -- stack.yaml, and should refer to a main branch commit of the

stack.yaml

@@ -1,5 +1,8 @@
 resolver: lts-21.7 # 2023-08-14, GHC 9.4.5
 
+ghc-options:
+  $everything: -split-sections
+
 nix:
   packages:
     - pcre

stack.yaml.lock

@@ -12,16 +12,12 @@ packages:
   original:
     hackage: configurator-pg-0.2.7
 - completed:
-    commit: 890a0a16cf57dd401420fdc6c7d576fb696003bc
-    git: https://github.com/PostgREST/postgresql-libpq.git
-    name: postgresql-libpq
+    hackage: fuzzyset-0.3.1@sha256:344e16deedb43da5cabae558450e5710843cff7ac2f3073be9db453c6f3a3fb7,2373
     pantry-tree:
-      sha256: 074668b9669b9c49f3c522c8af5c608799a1965e203c463b188b2632995beac2
-      size: 1414
-    version: 0.9.4.3
+      sha256: 89e22c2ce70a7c7c4b599ffe2546cda5699e4f8f15410eac49f39af8c4c381c8
+      size: 643
   original:
-    commit: 890a0a16cf57dd401420fdc6c7d576fb696003bc
-    git: https://github.com/PostgREST/postgresql-libpq.git
+    hackage: fuzzyset-0.3.1
 - completed:
     hackage: hasql-notifications-0.2.0.6@sha256:16d783f5cd1660fad924fd3769380889de5804e057f09b304dcdc3a3ff11eb3c,2028
     pantry-tree:
@@ -36,20 +32,20 @@ packages:
       size: 346
   original:
     hackage: hasql-pool-0.10
-- completed:
-    hackage: fuzzyset-0.3.1@sha256:344e16deedb43da5cabae558450e5710843cff7ac2f3073be9db453c6f3a3fb7,2373
-    pantry-tree:
-      sha256: 89e22c2ce70a7c7c4b599ffe2546cda5699e4f8f15410eac49f39af8c4c381c8
-      size: 643
-  original:
-    hackage: fuzzyset-0.3.1
 - completed:
     hackage: megaparsec-9.2.2@sha256:c306a135ec25d91d252032c6128f03598a00e87ea12fcf5fc4878fdffc75c768,3219
     pantry-tree:
       sha256: db9715d6910e64d3bbfce69895042a66fcdcd64a54805563834bf0821562b74f
       size: 1518
   original:
     hackage: megaparsec-9.2.2
+- completed:
+    hackage: postgresql-libpq-0.10.0.0@sha256:5c1cafdc2e3e5c0036b6801b10b6f14ae95b98428d6c88bc8ae560bd700d0ef7,3089
+    pantry-tree:
+      sha256: a7790b5283fc1510bde9e7c70772cdbf1ad6a3bad32ea966c6fc95e1b3c524c7
+      size: 1019
+  original:
+    hackage: postgresql-libpq-0.10.0.0
 snapshots:
 - completed:
     sha256: 23bb9bb355bfdb1635252e120a29b712f0d5e8a6c6a65c5ab5bd6692f46c438e