diff --git a/.github/workflows/bench.yml b/.github/workflows/bench.yml
index d99683fc52..372f9cbb7f 100644
--- a/.github/workflows/bench.yml
+++ b/.github/workflows/bench.yml
@@ -41,6 +41,10 @@ jobs:
     if: needs.pre_job.outputs.should_skip != 'true'
     needs: pre_job
     runs-on: ${{ matrix.os }}
+    container: ${{ (startsWith(matrix.os,'ubuntu') && 'alpine:3.12') || '' }}
+    defaults:
+      run:
+        shell: ${{ (startsWith(matrix.os,'windows') && 'bash') || 'sh' }}
 
     strategy:
       fail-fast: false
@@ -52,6 +56,12 @@ jobs:
     # change of the strategy may require changing the bootstrapping/run code
 
     steps:
+    - name: Install system dependencies for alpine linux
+      if: runner.os == 'Linux'
+      run: |
+        apk add --no-cache curl gcc g++ gmp-dev ncurses-dev libffi-dev make xz gzip tar perl git bash sudo binutils-gold
+        apk add --no-cache zlib zlib-dev zlib-static gmp gmp-dev ncurses-static
+
     - uses: actions/checkout@v2
 
     - run: git fetch origin master # check the master branch for benchmarking
@@ -98,6 +108,10 @@ jobs:
   bench_example:
     needs: [bench_init, pre_job]
     runs-on: ${{ matrix.os }}
+    container: ${{ (startsWith(matrix.os,'ubuntu') && 'alpine:3.12') || '' }}
+    defaults:
+      run:
+        shell: ${{ (startsWith(matrix.os,'windows') && 'bash') || 'sh' }}
 
     strategy:
       fail-fast: false
@@ -108,6 +122,12 @@ jobs:
         example: ['cabal', 'lsp-types']
 
     steps:
+    - name: Install system dependencies for alpine linux
+      if: runner.os == 'Linux'
+      run: |
+        apk add --no-cache curl gcc g++ gmp-dev ncurses-dev libffi-dev make xz gzip tar perl git bash sudo binutils-gold
+        apk add --no-cache zlib zlib-dev zlib-static gmp gmp-dev ncurses-static
+
     - uses: haskell/actions/setup@v1
       with:
         ghc-version  : ${{ matrix.ghc   }}
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 73fc24419e..00e6df8ef5 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -6,7 +6,7 @@ on:
       alpine:
         description: 'Use alpine to build a fully static executable for linux'
         required: false
-        default: 'false'
+        default: 'true'
   release:
     types: [created]
   push:
@@ -20,6 +20,7 @@ jobs:
     defaults:
       run:
         shell: ${{ (startsWith(matrix.os,'windows') && 'bash') || 'sh' }}
+
     strategy:
       fail-fast: false
       matrix:
@@ -44,6 +45,7 @@ jobs:
       run: |
         apk add --no-cache curl gcc g++ gmp-dev ncurses-dev libffi-dev make xz gzip tar perl git bash sudo binutils-gold
         apk add --no-cache zlib zlib-dev zlib-static gmp gmp-dev ncurses-static
+
     - uses: actions/checkout@v2
 
     - name: Disable tests and bechmarks
diff --git a/.github/workflows/caching.yml b/.github/workflows/caching.yml
index fc9b319de0..def20bef39 100644
--- a/.github/workflows/caching.yml
+++ b/.github/workflows/caching.yml
@@ -75,6 +75,11 @@ jobs:
     if: needs.pre_job.outputs.should_skip != 'true'
     needs: pre_job
     runs-on: ${{ matrix.os }}
+    container: ${{ (startsWith(matrix.os,'ubuntu') && 'alpine:3.12') || '' }}
+    defaults:
+      run:
+        shell: ${{ (startsWith(matrix.os,'windows') && 'bash') || 'sh' }}
+
     strategy:
       fail-fast: false
       matrix:
@@ -92,6 +97,12 @@ jobs:
             ]
 
     steps:
+      - name: Install system dependencies for alpine linux
+        if: runner.os == 'Linux'
+        run: |
+          apk add --no-cache curl gcc g++ gmp-dev ncurses-dev libffi-dev make xz gzip tar perl git bash sudo binutils-gold
+          apk add --no-cache zlib zlib-dev zlib-static gmp gmp-dev ncurses-static
+
       - uses: actions/checkout@v2
 
       - uses: ./.github/actions/setup-build
diff --git a/.github/workflows/flags.yml b/.github/workflows/flags.yml
index 1f7e659a04..691be8e595 100644
--- a/.github/workflows/flags.yml
+++ b/.github/workflows/flags.yml
@@ -19,6 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     outputs:
       should_skip: ${{ steps.skip_check.outputs.should_skip }}
+
     steps:
       - id: skip_check
         uses: fkirc/skip-duplicate-actions@v3.4.1
@@ -40,6 +41,11 @@ jobs:
     if: needs.pre_job.outputs.should_skip != 'true'
     needs: pre_job
     runs-on: ${{ matrix.os }}
+    container: ${{ (startsWith(matrix.os,'ubuntu') && 'alpine:3.12') || '' }}
+    defaults:
+      run:
+        shell: ${{ (startsWith(matrix.os,'windows') && 'bash') || 'sh' }}
+
     strategy:
       fail-fast: true
       matrix:
@@ -53,6 +59,11 @@ jobs:
             ]
 
     steps:
+      - name: Install system dependencies for alpine linux
+        run: |
+          apk add --no-cache curl gcc g++ gmp-dev ncurses-dev libffi-dev make xz gzip tar perl git bash sudo binutils-gold
+          apk add --no-cache zlib zlib-dev zlib-static gmp gmp-dev ncurses-static
+
       - uses: actions/checkout@v2
 
       - uses: ./.github/actions/setup-build
diff --git a/.github/workflows/rerun.yml b/.github/workflows/rerun.yml
deleted file mode 100644
index 5886e8946c..0000000000
--- a/.github/workflows/rerun.yml
+++ /dev/null
@@ -1,14 +0,0 @@
-on:
-  issue_comment:
-    types: [created]
-
-jobs:
-  rerun_pr_tests:
-    name: rerun_pr_tests
-    if: ${{ github.event.issue.pull_request }}
-    runs-on: ubuntu-20.04
-    steps:
-    - uses: estroz/rerun-actions@main
-      with:
-        repo_token: ${{ secrets.GITHUB_TOKEN }}
-        comment_id: ${{ github.event.comment.id }}
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index e26842b26e..69a971cf83 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -53,6 +53,11 @@ jobs:
     if: needs.pre_job.outputs.should_skip != 'true'
     needs: pre_job
     runs-on: ${{ matrix.os }}
+    container: ${{ (startsWith(matrix.os,'ubuntu') && 'alpine:3.12') || '' }}
+    defaults:
+      run:
+        shell: ${{ (startsWith(matrix.os,'windows') && 'bash') || 'sh' }}
+
     strategy:
       fail-fast: true
       matrix:
@@ -105,6 +110,12 @@ jobs:
              ghc: '8.8.4'
 
     steps:
+      - name: Install system dependencies for alpine linux
+        if: runner.os == 'Linux'
+        run: |
+          apk add --no-cache curl gcc g++ gmp-dev ncurses-dev libffi-dev make xz gzip tar perl git bash sudo binutils-gold
+          apk add --no-cache zlib zlib-dev zlib-static gmp gmp-dev ncurses-static
+
       - uses: actions/checkout@v2
 
       - uses: ./.github/actions/setup-build