rewrite reddit bot to be better selfhostable and less prone to being…

… ratelimited

.dockerignore

@@ -1,6 +1,7 @@
-.editorconfig
+.github/
+.gitignore
 README.md
 LICENSE
 Dockerfile
-conf.env
-conf.env.example
+config.json
+config.example.yml

.editorconfig

@@ -2,11 +2,11 @@ root = true
 
 [*]
 charset = utf-8
-end_of_line = crlf
+end_of_line = lf
 indent_size = 4
-indent_style = space
+indent_style = tab
 insert_final_newline = false
-max_line_length = 120
+max_line_length = 420
 tab_width = 4
 ij_continuation_indent_size = 8
 ij_formatter_off_tag = @formatter:off
@@ -16,22 +16,27 @@ ij_smart_tabs = false
 ij_visual_guides = none
 ij_wrap_on_typing = false
 
-[{*.go, *.go2}]
-indent_style = tab
+[{*.yml,*.yaml}]
+indent_size = 2
+
+[{*.go,*.go2}]
 ij_continuation_indent_size = 4
-ij_go_add_leading_space_to_comments = false
-ij_go_add_parentheses_for_single_import = false
+ij_smart_tabs = true
+ij_go_GROUP_CURRENT_PROJECT_IMPORTS = false
+ij_go_add_leading_space_to_comments = true
+ij_go_add_parentheses_for_single_import = true
 ij_go_call_parameters_new_line_after_left_paren = true
 ij_go_call_parameters_right_paren_on_new_line = true
 ij_go_call_parameters_wrap = off
 ij_go_fill_paragraph_width = 80
-ij_go_group_current_project_imports = true
 ij_go_group_stdlib_imports = true
 ij_go_import_sorting = gofmt
 ij_go_keep_indents_on_empty_lines = false
+ij_go_local_group_mode = project
 ij_go_move_all_imports_in_one_declaration = true
 ij_go_move_all_stdlib_imports_in_one_group = true
 ij_go_remove_redundant_import_aliases = true
+ij_go_run_go_fmt_on_reformat = true
 ij_go_use_back_quotes_for_imports = false
 ij_go_wrap_comp_lit = off
 ij_go_wrap_comp_lit_newline_after_lbrace = true

.github/workflows/binary.yml

@@ -0,0 +1,63 @@
+name: Binary Release
+
+on:
+  push:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        goos: [ linux, windows, darwin ]
+        goarch: [ amd64, 386, arm, arm64 ]
+        exclude:
+          - goos: darwin
+            goarch: 386
+          - goos: darwin
+            goarch: arm
+          - goos: windows
+            goarch: arm
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Set up Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: 1.20.x
+          cache: true
+
+      - name: File Extension Windows
+        if: ${{ matrix.goos == 'windows' }}
+        run: echo "file_extension=.exe" >> $GITHUB_ENV
+
+      - name: Prepare Version Info
+        run: |
+          echo "VERSION=$(git describe --tags)" >> $GITHUB_ENV
+          echo "COMMIT=$(git rev-parse HEAD)" >> $GITHUB_ENV
+
+      - name: Build
+        run: |
+          CGO_ENABLED=0
+          GOOS=${{ matrix.goos }}
+          GOARCH=${{ matrix.goarch }}
+          go build -ldflags "-X main.Version=${{ env.VERSION }} -X main.Commit=${{ env.COMMIT }}" -o reddit-discord-bot-${{ matrix.goos }}-${{ matrix.goarch }}${{ env.file_name }} github.com/topi314/reddit-discord-bot
+
+      - name: Upload
+        uses: actions/upload-artifact@v2
+        with:
+          name: reddit-discord-bot
+          path: reddit-discord-bot
+
+      - name: Release
+        if: ${{ github.event_name == 'release' }}
+        uses: ncipollo/release-action@v1
+        with:
+          artifacts: reddit-discord-bot-*
+          allowUpdates: true
+          omitBodyDuringUpdate: true
+          omitDraftDuringUpdate: true
+          omitNameDuringUpdate: true
+          omitPrereleaseDuringUpdate: true

.github/workflows/docker.yml

@@ -1,44 +1,68 @@
-name: Docker
+name: Build and Deploy
 
 on:
-    push:
+  push:
 
 jobs:
-    docker:
-        runs-on: ubuntu-latest
-        steps:
-            - name: Checkout
-              uses: actions/checkout@v3
-
-            - name: Docker meta
-              id: meta
-              uses: docker/metadata-action@v4
-              with:
-                  images: ghcr.io/topisenpai/reddit-discord-bot
-                  tags: |
-                      type=ref,event=branch
-                      type=ref,event=tag
-                      type=ref,event=pr
-                      type=sha,prefix=
-
-            - name: Set up QEMU
-              uses: docker/setup-qemu-action@v2
-
-            - name: Set up Docker Buildx
-              uses: docker/setup-buildx-action@v2
-
-            - name: Login to GitHub Container Registry
-              uses: docker/login-action@v2
-              with:
-                  registry: ghcr.io
-                  username: ${{ github.repository_owner }}
-                  password: ${{ secrets.GITHUB_TOKEN }}
-
-            - name: Build and push
-              uses: docker/build-push-action@v3
-              with:
-                  context: .
-                  platforms: linux/amd64,linux/arm/v7,linux/arm64/v8
-                  push: true
-                  tags: ${{ steps.meta.outputs.tags }}
-                  labels: ${{ steps.meta.outputs.labels }}
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: |
+            ghcr.io/${{ github.repository }}
+          tags: |
+            type=ref,event=branch
+            type=ref,event=tag
+            type=ref,event=pr
+            type=sha,prefix=
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Prepare Version Info
+        run: |
+          echo "VERSION=$(git describe --tags)" >> $GITHUB_ENV
+          echo "COMMIT=$(git rev-parse HEAD)" >> $GITHUB_ENV
+
+      - name: Build and push
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm/v7,linux/arm64/v8
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          build-args: |
+            VERSION=${{ env.VERSION }}
+            COMMIT=${{ env.COMMIT }}
+
+  deploy:
+    needs:
+      - build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Deploy
+        uses: fjogeleit/http-request-action@v1
+        with:
+          url: "https://watchtower.topi.wtf/v1/update?image=ghcr.io/topi314/reddit-discord-bot"
+          method: "POST"
+          timeout: 60000
+          customHeaders: '{"Authorization": "Bearer ${{ secrets.TOKEN }}"}'

.gitignore

@@ -1,4 +1,3 @@
 .idea/
-
-conf.env
-.env
+config.yml
+database.db

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.18-alpine AS build
+FROM --platform=$BUILDPLATFORM golang:1.20-alpine AS build
 
 WORKDIR /build
 
@@ -8,14 +8,24 @@ RUN go mod download
 
 COPY . .
 
-RUN CGO_ENABLED=0 go build -o app .
+ARG TARGETOS
+ARG TARGETARCH
+ARG VERSION
+ARG COMMIT
 
-FROM alpine
+RUN --mount=type=cache,target=/root/.cache/go-build \
+    --mount=type=cache,target=/go/pkg \
+    CGO_ENABLED=0 \
+    GOOS=$TARGETOS \
+    GOARCH=$TARGETARCH \
+    go build -ldflags="-X 'main.Version=$VERSION' -X 'main.Commit=$COMMIT'" -o reddit-discord-bot github.com/topi314/reddit-discord-bot
 
-WORKDIR /app
+FROM alpine
 
-COPY --from=build /build/app /app/bin
+COPY --from=build /build/reddit-discord-bot /bin/reddit-discord-bot
 
 EXPOSE 80
 
-ENTRYPOINT ["/app/bin"]
+ENTRYPOINT ["/bin/reddit-discord-bot"]
+
+CMD ["-config", "/var/lib/reddit-discord-bot/config.yml", "-database.sqlite.path", "/var/lib/reddit-discord-bot/database.db"]