Phase 9: containerise & deploy to Portainer

2026-05-11 16:57:19 +03:00
parent 2477130dd9
commit 6b486a558a
5 changed files with 100 additions and 1 deletions
@@ -0,0 +1,49 @@
+# ── Stage 1: build ────────────────────────────────────────────────────────────
+FROM golang:1.25-alpine AS builder
+
+WORKDIR /src
+
+# Install wget for downloading the Tailwind standalone CLI.
+RUN apk add --no-cache wget
+
+# Download Tailwind v3 standalone CLI for the target architecture.
+# Supported: linux/amd64, linux/arm64.
+RUN ARCH=$(uname -m) && \
+    case "$ARCH" in \
+      x86_64)  TW_ARCH=x64 ;; \
+      aarch64) TW_ARCH=arm64 ;; \
+      *)       echo "Unsupported arch: $ARCH" && exit 1 ;; \
+    esac && \
+    wget -qO /usr/local/bin/tailwindcss \
+      "https://github.com/tailwindlabs/tailwindcss/releases/download/v3.4.17/tailwindcss-linux-${TW_ARCH}" && \
+    chmod +x /usr/local/bin/tailwindcss
+
+# Fetch Go module dependencies (cached separately from source).
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy the rest of the source.
+COPY . .
+
+# Compile Tailwind CSS and switch the template from CDN to the compiled file.
+RUN tailwindcss -i web/templates/input.css -o web/static/tailwind.css --minify && \
+    sed -i 's|<script src="https://cdn.tailwindcss.com"></script>|<link rel="stylesheet" href="/static/tailwind.css">|' \
+        web/templates/layout.html
+
+# Build the Go binary.
+RUN CGO_ENABLED=0 GOOS=linux go build -o /out/qbank ./cmd/server
+
+# ── Stage 2: run ──────────────────────────────────────────────────────────────
+FROM gcr.io/distroless/static-debian12:nonroot
+
+WORKDIR /app
+
+COPY --from=builder /out/qbank          /app/qbank
+COPY --from=builder /src/web/templates  /app/web/templates
+COPY --from=builder /src/web/static     /app/web/static
+
+EXPOSE 8080
+
+USER nonroot:nonroot
+
+ENTRYPOINT ["/app/qbank"]